Question

A paired t-test would be the appropriate test for which of the following situations: A. Compare...

A paired t-test would be the appropriate test for which of the following situations:

A. Compare the mean body temperature for 15 men before getting the flu shot to their mean body temp after getting the flu shot

B. Compare the mean body temp for 15 men after they get a flu shot to the value of 100 degress

C. Compare the mean body temp for 15 men who have had a flu shot to the mean body temp for 15 men who have not had a flue shot

D. Compare the mean body temp for 15 men after they get a flu shot to the mean body temp for 15 women after they get a flu shot

Math   Statistics-And-Probability   
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Answer #1

Answer:-

From the above information

A paired t test would be the appropriate test for Compare the mean body temperature for 15 men before getting the flu shot to their mean body temperature after getting the flu shot.

option A is correct

because , we know that paired t test is used when we are interested in the difference between two variables for the same subject , often the two variables are separated by time before and after . Therefore option B ,C and D are irrelevant in case of paired t test.

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