18-8 Hypothesis testing for a requested-measures experiment 8. Hypothesis testin

Question

18-8 Hypothesis testing for a requested-measures experiment

8. Hypothesis testing for a repeated-measures experiment Aa Aa Check all of the following statements that are true concerning hypothesis testing for a repeated-measures experiment It is possible to use a t test any time a sign test is used. Use a sign test when it is not possible to numerically measure the difference between two treatments, but it is possible to say whether a patient improved or got worse Use a sign test whenever it is possible because it is more powerful. When it is possible to use both a sign test and a t test, they may not yield the same decision.

Explanation / Answer

Check all of the following statements thagt are true concerning hypothesis testing for a repeated measures experiment.

a) It is possible to use a t test any time a sign test is used.

b) Use a sign test when it is not possible to numerically measure the difference between two treatments, but it is possible to say whether a patient improved or got worse.

c) Use a sign test whenever it is posssible because it is more powerful.

d) When it is possible to use both a sign test and a t test, they may not yield the same decision.

Here , statements b) and d) are correct.

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