Essays on Interval

The systems that can adapt in reaction to unanticipated external disturbances and events during their operation are called autonomous systems . These systems have capability of self-adaptation, self-configuration, self-monitoring, tuning, and other kinds of adjustment without requiring external control input . Autonomous systems are also referred to as self-managed systems due to their independence from external controls. These systems are built such that their components satisfy the design intent in the presence of small perturbations, external disturbances, noise, or other environmental changes. In realm of control systems theory, autonomous systems carry the similar concept mentioned above. Talking in terms of state ...

1) Theories are to concepts as hypotheses are to variables. Hypotheses depend on tests that suggest multiple variables. On the other hand, theories are made up of concepts ("Theory and Practice of Social Research" 4). 2) Does a hypothesis propose a relationship between dimensions or variables? Yes. A hypothesis depends on the link that exists between two or several variables. Whereby, a slight change in variable ‘A,' leads to a change in variable ‘B.' In this case, it can be almost predictable that if the first event occurs on the first variable, then we expect variable ‘B' to ...

Final Grade: 72/100

This paper is being submitted on January 18, 2017 for Tramaine Ingram’s STA3215 Inferential Statistics and Analytics course. At the request of the company’s client, we have performed research pertaining to the salary distributions of jobs in the state of Minnesota. The sampling was haphazard (non-statistical. The client is only interested in the jobs that pay salaries of between $40,000 and $120,000. Any job that that falls within this range was included in the analysis. The data set was obtained from the Bureau of Labor Statistics, and consists of a total of 64 records. In ...

Learning allows our brains to record and preserve beneficial behaviors and know how to avoid harmful ones. The consequences of the experiences we have or observe are stored in our memory as knowledge to influence our future behavior. The paper explores behavior change through a focus on the learning theories; classical and operant conditioning.

Operant Conditioning

It is a form of learning in which the response to a voluntary behavior influences whether or not the behavior will recur; this occurs through the use of reinforcements and punishment. Following the experiments of B. F. Skinner, we can conclude that a person or ...

What is statistics?

Statistics is a scientific approach that deals with a range of procedures for collecting, gathering, organizing, summarizing, presenting, and analyzing data and making inferences to aid in finding solutions to problems (Jani, 2014).

Contrast between qualitative and quantitative data

Quantitative data is that which can be measured and reported numerically (Brown & Saunders, 2008). For instance, the marks scored by students in a test, the GDP of countries, among other examples. Quantitative data can be either discrete or continues. Continuous data can take any number hence includes decimal points. For example, the distance between two towns, the height of students in a class, among others. Discrete ...

Importance of Confidence intervals

The confidence interval is a set or range of values that a population parameter is likely to fall within (Graham, 2008). It is calculated using the sample statistics and a given confidence level. For instance, a confidence interval of the mean calculated using the sample statistics, gives the lowest and highest possible value of the population mean. The population mean is expected to be within the confidence interval. A point estimate is a single value that approximates a population parameter (Graham, 2008). For instance, a sample mean is point estimate of the population mean, while a sample proportion is ...

Type answers in table cells below. Leave template formatting unmodified. Delete this paragraph, the recommended word counts for each section, the advice in the references section, the colored mark values, and any other colored text. All text in your assignment counts towards the word limit.

Introduction – 20 marks

The introduction begins by highlighting the significance of both aerobic and anaerobic power in the performance of mountain biking races. Both aerobic and anaerobic power play a huge role in cross-country mountain banking due to the high-intensity energy involved. The significance of both ...

Methodology

Research Questions Will the strategy of designing role-playing games in the history class be an effective strategy to improve the students’ performance? What will be the expected average improvement of the improvised strategy? How will the students perceive the new learning method? How will we ensure that the students did not improve their mean score through other factors? How will we validate the results for credibility? Hypothesis HA: Group A will perform better than group B with SSL English students improving their mean grade at the end of the fall.

Hypothesis B: Group B will perform averagely but slightly lower than Group B.

Ho: Group A will perform better than group B. ...

Effectiveness of Supported Angel Heel Treadmill Rehabilitation on hip fractured patients

Physiotherapist DECLARATION I, the undersigned Fatih Serkan YILDIRIMER (print name), a student of the Faculty of Public Health of Debrecen University, being fully aware of my legal liability, do thereby declare and certify with my signature that my thesis, entitled

EFFECTIVENESS OF SUPPORTED ANGEL HEEL TREADMILL REHABILITATION ON HIP FRACTURED PATIENT

is my own original work and that the printed and electronic literature referred to in it was used in accordance with the international rules of copyright. I understand that in the case of a thesis, it is considered plagiarism when: ● quoting word for word without quotation marks and referring to literature without proper citation. ● referring to content without citing ...

Statistics fromYour Interest Area

You are all interested in something. Explore the literature (magazines, books, web sites, etc) for your interest area and find an example of the use of graphical statistics. I suggest a Google search using the Images option, and select some interesting and visual display of data. Identify the related materials that support the graphics and containing some form of statistical analysis and/or display. Review your materials using the framework offered below.

• Attach copies of the material and highlight portions that support your analysis below.

• Attach screen shots or print outs of enough of the material to support your analysis. • Add your answers to the blank areas below. Add more lines as necessary.( ...

ANALYSIS AND FINDINGS

3. Analysis and Findings 3.1. Introduction 3.2. Analytical Tool – Regression Multiple regressions are performed to assess the relationship of single independent variable i.e. crude oil prices (on Brent benchmarking) with all four dependent variables including Indian GDP growth, Indian Balance of Payments, Exchange rate between INR and USD, and the inflation rate in India. 3.3. Measures for Independent Variable – Crude Oil Price Crude oil is the most commonly traded commodity in the international market. Crude oil price stands independent variable in the underlying study, and same is considered for this purpose of analysis. The Periodic time frame for change ...

Introduction

Reduction reactions are very important in chemistry as they are effective processes for synthesizing new compounds from existing ones. In organic chemistry, a compound is said to be reduced if it acquires new hydrogen. There are diverse reagents for carrying our reduction reactions. Two of these are sodium borohydride (NaBH4) and lithium aluminum hydride (LiAlH4) - the latter is a more powerful reducing agent compared to the former. In this experiment, NaBH4 was used to reduce p-Nitrobenzaldehyde to form p-Nitrobenzyl alcohol. NaBH4was used over LiAlH4 in this experiment, because LiAlH4 would also reduce the nitro group of the aldehyde.

Experimental:

...

Business Class Capstone Project

Introduction In this paper, I will describe and discuss the application of statistical techniques learned in class to a real-world problem. According to the instructions of the assignment, I am a chief analyst for a medium-sized company. I decided that my company is a medium sized diamond store. An executive gave me a data set of diamond sales and asked me to explore this data. The executive wants to know how this data can be used to improve the business. The data will be analyzed by the means of various statistical tools. I will start with the descriptive statistics ...

Introduction

In this report, we will critically analyze and summarize an interesting research work (Chachi, Taheri, and Viertl) related to testing statistical hypothesis when relevant data and confidence intervals are not precise. In classical Statistical inferences, we state a Null hypothesis about a precise parameter. Then, we test the validity of the Null hypothesis using classical Statistical tests using the concept of confidence intervals at some predefined level x (say 5%) based on uncertainty we can tolerate. If the value of the testing parameter lies in confidence interval 1-x, then the Null hypothesis cannot be rejected. If testing results shows ...

What does the margin of error tell us about a sample taken from a large population? How does the confidence level for a sample outcome differ from the sample’s margin of error? The margin of error is a numerical value that expresses or estimates the likelihood of error in an experiment’s results. Thus, it can somehow account for the statistical significance of a result. If it is smaller, then the likelihood of error is also small, making the results more credible. Smaller sample sizes from a large population generally have a larger margin of error while larger ...

Business Statistics

Statistics is the methodology developed by scientists and mathematicians for interpretation and drawing conclusions from collected data (Isotalo, 2012). The main activities involved in statistics are collecting, processing, analyzing, interpreting, and presenting of data. Everything under these fields or anything remotely related to the fields, and the planning preceding these activities all belong to the domain of activities. Statistics is very broad and is not applied to science and mathematics alone but vast fields including business.

Qualitative versus Quantitative Data

Data used in statistical research can either be qualitative data or quantitative data. These data differs in their uses, their methods of collection, ...

Ray WA, Chung CP, Murray KT, Hall K, Stein C. Prescription of Long-Acting Opioids and Mortality in Patients With Chronic Noncancer Pain. JAMA. 2016;315(22):2415-2423. doi:10.1001/jama.2016.7789.

Prescription of Long-Acting Opioids and Mortality in Patients With Chronic Noncancer Pain Wayne A. Ray, PhD1; Cecilia P. Chung, MD, MPH2; Katherine T. Murray, MD2,3; Kathi Hall, BS1; C. Michael Stein, MB, ChB2,3 [+] Author Affiliations JAMA. 2016;315(22):2415-2423. doi:10.1001/jama.2016.7789.

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Abstract ABSTRACT | INTRODUCTION | METHODS | RESULTS | DISCUSSION | CONCLUSIONS | ARTICLE INFORMATION | REFERENCES Importance  Long-acting opioids increase the risk of unintentional overdose deaths but also may increase ...

Final Case Study Project

Introduction In this paper, we will describe and discuss the application of statistics and probability theory to a real-world problem. Our task is to study the impacts of a variety of factors influencing house prices in Prescott, Arizona. As it was mentioned in the previous studies, there are five lakes in the Prescott metropolitan area that provide a number of benefits to those who live or spent their holidays in this area. These benefits include scenic beauty, recreational opportunity, clear water, fresh air and so on and so forth. It is assumed that the property prices should depend on ...

Abstract

The current government has consistently been trying to reduce the costs of healthcare and at the same time improve its quality. This paper focuses on the current state of healthcare through an extensive research on the population. The research uses a cross sectional design to collect data and come up with relevant conclusions. The research project aimed at using a homogenous population to come up with accurate results. Such a population involves participants who have the same knowledge about the subject. Such participants are easily obtained through a referral process where one participant refers another. A total of 50 ...

BUSINESS PLAN PART 3

BUSINESS PLAN PART 3

The development of an online solution for "Your House, Your Design" requires that experienced professionals of the E-commerce work on it. Today the company does not have extensive experience in the electronic commerce; today only have a one-page website with information about the products and contacts to the company. The online store requires an online catalog linked in real time with the inventory, graphical representation of the entire product and a secure payment platform for the client and the company. With the previous considerations and the required learning curve of the hosting platforms, the company ...

Abstract

A caring disposition is a highly crucial aspect in service leadership. It is a fundamental attribute in today’s workplace settings that provide a unique system to which a good service leader can be assessed. In essence, a caring disposition encompasses powerful knowledge that is particularly efficient in formulating and implementing team approaches in ensuring the delivery of a successful leadership practice. This term paper seeks to discuss important concepts in caring disposition and how it promotes service leadership. The introductory part of the paper creates a clear understanding service leadership. In the first section of the term paper, ...

Assignment 1

Assignment 1

The mean value of the price calculates: X=i=1nxin, where xi is the value of the household in state i; n is the quantity of states.

The standard deviation calculates:

s=i=1n(xi-X)2n-1.

The confidence interval calculates:

CI=t(0.95;n-1)∙sn, Where t(0.95;n-1) the t-value from the table. For the national household, t0.95;50=2.01, for the states where the company wants to open the new locations: t0.95;9=2.262.

Data for the Ten States

Median is obtained by arranging the values in ascending order and taking the central value; for the set with 10 value the median is the mean of 5th and 6th values: 112900 128400 138800 154900 158100 ...

Quality assurance is an mportant part of the production and a guard of company reputation. Quality control engineers work all year round, yet their role is of particular significance when the claims of inappropriate quality appear. The current problem is associated with lack of soda in soda bottles. The company advertises 16 ounces; however, there are accusations that there are less soda in the bottles. The quality engineer has to run an investigation. Therefore, the plan of the research is as follow. It is definitely impossible to test all the produced bottles. The statistical methods address the issue. The ...

ITERS Observation and Reflection

ITERS Observation and Reflection The objective of the activity is to observe a toddler in a classroom for a maximum of 10 hours in order to complete the Infant/Toddler Environment Rating Scale or ITERS. In this activity a male toddler with permission from the parent was asked to stay in a classroom for a minimum of 1 hour with 15 minutes interval giving a total of 10 hours as needed for the observation period. The standard element observed in the learning environment encompasses a goal of ensuring that the toddler can move freely in the classroom area in order ...

Abstract

The phenomenon of apparent motion occurs when two stimuli are separated by a flash or a blank in which the brain creates the effect of movement. It can be compared to the effects of moving pictures, for example, in which a series of still photographs are put together in such a way that the image appears to be moving. The purpose of this research is to assess the phenomenon of apparent motion in terms of the interstimulus interval, the gap between two stimuli that most accurately conveys movement to the perceiver. The study used five different dot spacings, and ...

Mathematical model.

In 1985, Kallen, Arcuri and Murray (377-393) presented a simple mathematical model for the spread of the rabies epidemics to approximate the minimum width of a break and enable the control of the spatial progression of rabies.

Features and assumptions of the model.

The model developed by Kallen, Arcuri and Murray (377-393) was based on a deterministic approach where the fox populations were categorized into two groups, namely infective and susceptible foxes. In this classification, the infective foxes included those with rabies virus present in their saliva while the susceptible ones included those without traces of rabies virus in their saliva. One of the assumptions ...

The sine is the ratio of the opposite leg of the right triangle to its hypotenuse. Let’s imagine that we have the Cartesian coordinate system and a circumference with the same center and radius R. Every angle can be depicted as a rotation operation from the positive x-axis to some interval that joins together the center of the Cartesian coordinate system and some point of the circumference. The length of this interval is equal to the radius and can be depicted as the hypotenuse of the right triangle. The adjacent leg of the triangle belongs to the x-axis, ...

Research variable is the fundamental building blocks of research. It is the basis for a research hypothesis. A research study examines the relationship of a research variable in a particular context. A variable can be defined as anything that takes different values. The same applies to research variables as well. In research, variables are observable characteristic of an event or object. They can take one or more values. The common characteristic of all variable is that they do not have a fixed value. A research variable should have three characteristic features: it should be defined, it should have a ...

Audit and Internal Control

Question 1 - Relationship between the Concepts of ‘Business Risk’ and ‘Financial Statement Risk’ The business risk and financial statement risk tend to have a direct relationship with one another because occurrence of business risks, if not addressed by the internal management of ABCDE Company in a timely and wise manner, will potentially result in material misstatements of the figures in financial statements of ABCDE Company. For instance, due to increase in competition, the demand for cleaning equipment sold by ABCDE Company to commercial cleaning contractors decreases which itself is identified as a business risk for ABCDE Company. Due ...

Psychology

Introduction The use of Null Hypothesis Significance Testing as a statistical tool for research methods in psychology became a center of debate because of the perceived errors, which was associated to the misuse of the method and erroneous conclusion in some of the published scholarly journals. Many scholarly journal publishers particularly those that are specialized in the field social psychology suggests to ban the use of NHST and the Basic and Applied Social Psychology (BASP) acted upon on this call. On the other hand, proponents of NHST argue that the problem is not with the technique, but with the ...

Assignment Title

Sampling Distributions – Real Estate In the analyzed data sample, population mean and standard deviation were found. They are presented in Tab.1: Mean is the most common measure of central tendency in data. It shows the central value of the set of data and is found a s an arithmetic mean. For population, all values are summed up and divided by the number of values. In this population, the central value is $286,946 – it is the average listing price of the 100 houses. Standard deviation is a measure of dispersion of the data. In the population, it shows the ...

Philosophy Research Proposal

The research question chosen for this paper is the determination of the existence of a relationship between the type of therapeutic intervention and self-harming behaviors in adolescent girls. The author of this paper has hypothesized that there is indeed a correlation between the type of therapeutic intervention and the resulting self-harming behaviors among adolescent girls. This means that adolescent girls receiving a certain therapeutic intervention will display a more significant decrease in self-harming behaviors as opposed to adolescent girls who do not receive a therapeutic intervention. For the null, hypothesis, it would basically suggest that there is no correlation ...

Smoking is one of the most harmful habits dangerous to the health of not only smokers but also others. Currently, smoking has become a massive "epidemic" common among men, women and even children. The fact that smoking is harmful to health know everyone, but not all realize the true extent of its impact. Damage to health damage is delayed in time and not immediate, but gradual, usually after 10-20 years after the onset of smoking. Therefore, many smokers at first do not notice changes in their health status and believe that nothing will happen to them in the future, ...

Introduction

Market and operations research as a means to gain insights into the various crucial aspects of business operations has gained importance in recent times aiding and supporting managerial decision making. Statistics as a tool of market and operations research and descriptive statistics in particular are playing an increasingly important role in managerial decision making. The present paper is based on a market survey of 150 respondents who were surveyed telephonically and were asked to provide information about themselves, their shopping habits and their view of how the three shopping areas fit into their shopping preferences. The responses were measured ...

Psychology

Shot-term memory has been the subject of several studies on cognitive functioning of the brain. Several approach and theoretical frameworks were employed in the process in order to determine the implications of different factors to STM. In this discussion, the context of STM was examined by reviewing relevant literatures encompassing the varying approach to STM study. STM problems were associated to childhood ADHD, while the other research focuses on the association of visual recall and order recall. These studies involves identifying the relationship between cognitive functioning and STM, which are critical areas in understanding human brain functioning and in ...

Abstract

There is always a need for the analysis of various data and information found about an activity to determine how several things are influenced by this data. This data can be for the genearal population or different people where the nature of activy data will be varying. The data and other sampled output will alws assist the researcher to study some of the specified behaviour in the subjects. The first step in the analsysis of any given data will be to understand what the data is alll about. Then the goals of the study or analysis of the data ...

.GSS 2014 Statistical Analysis: Written up Assignment

Introduction

The GSS 2014 has been established with the view to generate ongoing research data on demographics of the country for social welfare and decision making. The General Social Surveys (GSS) have been conducted by the National Opinion Research Centre (NORC) annually since 1972, except for the years 1979, 1981, and 1992, and biennially beginning in 1994. The GSS surveys are supposed to be part of a social indicator research, applying questionnaire items and wording in order to facilitate time-trend studies. There are a total of 3,842 cases in the data set. ...

The confidence interval is used to ensure accuracy of mean perception. It shows the interval of the mean value. The confidence interval calculates: ∆=t(n-1;0.05)sn, where ∆ is the half-width of the confidence interval, n is the number of measurements, t(n-1;0.05) is the t-value for n-1 degrees of freedom at 0.05 significance level, s is the standard deviation (Johnson & Kuby, 2012). The confidence interval is presented as Mean ± ∆. The percentage of the confidence interval refers to certainty of the mean: 95% confidence interval indicates that 95% of the population is within the interval, and 5% are ...

Statistics can be defined as the science of learning from data, measuring, controlling, as well as communicating uncertainty. Statistics therefore offers the best navigation essential to control the course of societal and scientific advances (Beri, 2005). Statistical methods and thinking are applied by statisticians to a variety of social, scientific and business models in subjects such as economics, marketing, astronomy, education among others. The techniques used in interpreting statistical data are widely used in making social, political, economic and political decisions. Qualitative data in statistics is used to describe variables who have a non-numeric format. These types of variables ...

The Theme park is facing a problem of determining the limits of the height that would include at least 90% of the children that attend the theme park. To solve this problem the theme park can apply the central limit theorem to establish the height limits for each age group. The central limit theorem states that the mean for a sufficiently large population will be normally distributed (Curwin & Slater, 2008). Therefore, given the standard deviation and the mean of each set, the theme park can construct confidence intervals for each group. To ensure at least 90% of the children ...

Chapter 1 – Introduction to Color Study

1. What is the difference between direct light and reflected light? Give examples of each. Direct light travels from the source to the destination without being interrupted while reflected light is the light produced when the direct light bounces off a material. One example of direct light is the sunlight while reflection from the mirror is an example of reflected light (Young, Freedman & Ford, pp. 1080). 2. Describe the cause of color, the means used to generate it, and the effect. Light consists of a spectrum of light wavelengths which have a representative color; thus, upon reaching the retina ...

Introduction

In this assignment, we will discuss and describe the application of statistics and probability theory to a real world problem. Our task is to evaluate and summarize the performance of a given stock (y). This report consists of the four parts. The first part is descriptive statistics of the given data between the two time periods and between the given stock and the Standard & Poor’s 500 index. Next, a hypothesis test will be performed in order to examine the performance of stock (y). The third part of the report includes Capital Asset Pricing Model estimation by the mean ...

Final Project

Final Project

Introduction

Statistical analysis is an integral part of the clinical trial and nursing. The purpose of this paper is to demonstrate the understanding the essence of the various methods of statistical processing of medical data, without going into details of mathematical calculations. We consider the most useful and popular types of analysis of the nursing, clinical and experimental medicine.

There are a number of indicators are included in the term of "descriptive statistics". They characterize the sample as a whole. Each researcher knows such concept as average (mean) value, which is calculated by dividing the sum of the ...

Introduction

In this paper, the article titled “Effect of 2-yn− 3 long-chain polyunsaturated fatty acid supplementations on cognitive function in older people: a randomized, double-blind, controlled” by Dangour et al., 2010 will be critically appraised. The article describes a study that sought to establish whether 2-yn− 3 long-chain polyunsaturated fatty acid supplementation has an effect on cognitive function in older people. In the study, a randomized, double-blind, controlled trial was used. Reduced cognitive function and dementia in older people continues to increase and pose a significant challenge to the elderly. Several studies have reported an association between the intakes of ...

Abstract

Purpose: To determine the extent to which the silica levels are above the safety levels outlined by the Occupational Safety and Health Administration in areas proximal to the natural gas development sites. Background: While studies have shown that the silica levels in the hydraulic fracturing sites are very high, there is paucity of information as to how far away from the sites the silica levels in the air are dangerously high. Methods: The study will employ a longitudinal design with the data being collected over a ten-year period. The samples will be collected in a linear direction. The samples ...

Value-at-Risk

Introduction Risk assessment is essential in portfolio management. A portfolio manager has the duty of maximising returns of the portfolio of the assets for each level of risk. Alternatively, a portfolio manager should minimise the risk of the portfolio at any level of return of the portfolio. Several models are used in assessing the risk involved in a portfolio of investments. Value-at-risk is widely applied in determining portfolio risk. We explore the concept of value-at-risk and its usage in portfolio management.

It is a model that measures how much the value of a portfolio could fall over a specified ...

An AC Circuit has its frequency resonance measured in 30 times. The mean of the measured data is 2160 Hertz and the standard deviation is 88 Hertz. The data is normally distributed. Find the 70%, 80%, and the 90% confidence interval for these population mean. Also, comment on the number of measurements expected to lie within the intervals.

Solutions

Given that; The formula for determining the confidence interval (C.I) is given as: 1

For 70% confidence interval, the value of is 1.04

Therefore, the 70% confidence interval is (2089.29, 2122.71)

For 80% confidence interval, the value of is 1.28

Therefore, the 80% confidence interval is (2085.43, 2126.56)

For 90% confidence interval, the value of is 1.645

Therefore, the 90% confidence interval is (2079.57, 2132.42).

Comment

Confidence limits are ...

The problem seeks the dimension of the cylindrical tin can that is capable of holding 14 cubic inches of liquid, and has the smallest surface area. Before we can determine the dimension, let us consider the volume, V, of this cylindrical tin can, which is the product of the area of the circular base with radius r, and the height h of the cylinder, and the surface area of the tin can, A, which is the area of the circular base, the circular top, and around the sides. V= πr2h (1) 14= πr2h h= 14πr2 (2) A=2πr2+ ...

Article Review

Brenner, H., Chang-Claude, J., Seller, C. M., Rickert, A., & Hoffmeister, M. (2011). Protection From Colorectal Cancer After Colonoscopy: A Population-Based, Case-Control Study. Ann Intern Med, 22-30.

Introduction

The article, Protection from Colorectal Cancer after Colonoscopy, by Herman Brenner, Jenny Chang-Claude, Christoph M. Seller, Alexander Rickert and Michael Hoff Meister, seeks to define the relation between risk of Colorectal Cancer and previous colonoscopy. Colorectal Cancer, CRC, is common in both men and women; it is common in women than men. There are more than 1 million cases of CRC worldwide, and it claims more than 500,000 deaths annually (Brenner, Chang-Claude, ...

A High-Intensity Interval Training, Circuit Training, Zumba and boot camp training programs are discussed below vividly considering the types of workout or classes, the levels of intensity involved, the muscular strength impact of each program and whether the programs give more of health fitness or physical fitness.

High-Intensity Interval Training.

According to Mahady, Pat. (16), High-intensity Interval Training (HIIT) is a training idea in which high-intensity intervals are alternated with the slow and moderate intensity intervals. The workout classes of HIIT involves alternating both the aerobic and anaerobic training techniques. Anaerobic training method implies that the consumption of oxygen in the body ...

555timer

Introduction The 555 integrated circuit (chip) is used in a variety of timer and oscillator applications. A 555 timer is used to provide time delays and oscillations and as a flip-flop element. The device has additional terminals provided to trigger or resetting purpose (Nair, 2006). During the time delay operation mode, time is precisely controlled by an external resistor and capacitor. While working as an oscillator, the duty cycle and the frequency are accurately regulated by two external resistors and a capacitor (Brumbach, & Clade, 2003). 555 is triggered and reset on falling waveforms. A typical 555 timer IC is ...

The “Ave Merris Stella” is a pure, sacred hymn was produced by the “Guillame Dufay”. This beautiful hymn is about 600 years old. The form of this hymn is Strophic in nature and display the medieval mode. It is such an incredible piece of music as one can feel that how it would sound in the Cathedrals of the Middle Ages, because of its unique acoustics. This hymn is an excellent display of the Early Renaissance “Style” and “Sound”. The start of Dufay’s setting of “Ave Maris Stella” displays the use of fauxbourdon. The initial and the last ...

Summary: In the article titled, “Abnormal Cortex Plasticity in Juvenile Myoclonic Epilepsy”, the authors investigate the role of defective motor plasticity in the pathogenesis of Juvenile Myoclonic Epilepsy (Strigaro et al.). Prior to this study, JME was linked to motor cortex hyper-excitability and to the abnormal function of thalamic networks. This study, identifies a new mechanism that can cause JME, a common form of generalized epilepsy seen in children. The motor cortex plasticity was studied using an interesting technique called the Paired Associated Stimulation (PAS). The details of this technique are discussed in the methodology section. The role of ...

Proposal for Original Business Research

1.0. Introduction Human resource management has always been integrally attached to the business and its activities, as the degree of success or failure of a business largely relies on the effectiveness of HRM practices in an organization. One of the core areas to be pondered by human resource managers is performance appraisal when it comes to people management (Tooksoon, 2011). 1.1. Problem Statement High employee turnover is one of the most critical side-effects of growing dynamism of modern business climate. Employees are switching from company to company basing their decision of quitting for many good reasons. However, it is ...

History

Researchers today have gone through a long process to be able to take their research study to human subjects. Minors, elderly and prisoners’ studies are governed by numerous regulations and protocols. Other human subjects who do not fall under these categories are also protected by the regular standards that researchers must adhere to; for instance, informed consent and confidentiality. This was not always the case though; the journey to developing the modern medical ethics people enjoy today took years of conducting painful and brutal experiments on human subjects. The history of medical ethics seems to harbor many unthinkable and ...

Problem #1

Plot the histogram of the number of cases of accident for each group of street speed, km/h. These histograms describe the distribution of the number of cases of accident that have happened at the speed of 40, 60, 80 and 100 km/h. The distribution of the accidents at the speed of 40 km/h and 60 km/h is right skewed. The distribution of accidents at the 80 km/h speed is almost symmetric and the distribution of accidents at 100 km/h is uniform.

Problem #2

The average number of accidents at the speed of 40 km/h is 3.1 with a standard deviation of ...

Variable Types

The following variables are included in our data set: Sex: 0=female, 1=male

Age: Age in years

Married: 0=not married, 1=married

Income: total income for the past 12 months in $US 1000

HoursWk: hours of work per week Race: asian, black, white, or other USCitizen: 1=citizen, 0=non-citizen HealthInsurance: 1=have insurance, 0=no insurance Language: 1=native English speaker, 0=other 2 Creating Sub-sample ## Load the package and the data set library (Lock5Data) d<-as.data.frame(ACS, head=T) mysample<-d[sample(1:nrow(d),100,replace=F),] mysample 3 Developing 90% Confidence Interval ## create a new variable for Income, deleting empty observations Income.response=na.omit(mysample$Income)

Income.response

## [1] 31.20 1.90 0.00 0.00 37.00 0.00 15.00 8.00 10.50 0.00 ## [11] 40.00 ...

Abstract

The emerging power security issues appear to be severe for the United Kingdom. The public body of the United Kingdom apparently is engaged in leaving the gasoline provisions fulfilled through interferences of the marketplace in terms of the green rule and renewable assistances. The stated situation is solely meeting a trivial proportion of issues. The public authorities of the United Kingdom showed a potential aspiring thinking about the forthcoming periods of protected power. The government of the United Kingdom proposed growth of renewables, power effective infrastructure, and potential policy currents with an anticipation that they will definitely pacify the ...

1. Introduction Oman Oil Company (OCC) is one of the biggest commercial organizations of Oman, undertaken by the Government of the country. The company was set up in 1966, headquartered in Muscat, Oman (Oman-oil.com, 2016). Pursuing the investment opportunities in oil and gas and other energy sectors, Oman Oil Company has become one of the leading companies of Sultanate of Oman. Identifying the investment opportunities both inside and outside the country, the company has developed an impressive HRM to manage the organizational operations affirmatively. The HRM of the organization supports the employees to deliver their best performance for organizational ...

ICU Observation Evidence-based Practice

ICU Observation Evidence-based Practice

Introduction of the Patient

The patient goes by the name T.P. A 72-year-old male who’s a retired truck driver. He’s immediate family includes his wife, daughter, and grandson (10 years old who is autistic and has turrets syndrome). He is currently diagnosed with myocardial infarction and altered mental state. The past medical history of this patient shows that he has suffered a lot of diseases including hypertension, diabetes mellitus Type 2, congested heart failure, peripheral neuropathy, CKD-3, CAD, dementia, chronic kidney disease and GERD.

The primary medical diagnosis is myocardial infarction which refers to regional myocardial necrosis ...