The hypothesis test includes five distinct steps that may be followed in a specific order. In the first step, the researcher identifies a hypothesis that he would like to prove or disprove. The researcher will also formulate the alternative hypothesis which would be tested in case the original hypothesis does not stand true. In the second step, the researcher collects a random sample from the population which he would measure for the purpose of his study. Consequently, as a result of the second step, the relevant sample test statistic would be computed. Moving on to the third step, the researcher’s task is ...
Test Statistic College Essays Samples For Students
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- A 95% confidence interval for the mean income of shop assistants in a certain city is found to be (£12,000, £15,000). Explain briefly what this means. Would a 99% confidence interval be better than a 95% one? Justify your answer.
ANS – It means that there is 95% probability that the value of the parameter i.e. individual incomes of different shop assistants shall lie within the range of £12,000 to £15,000. Yes, 99% confidence level is better than a 95% one as it increases the probability of the incomes of different shop assistants to lie within the defined ...