The following information was obtained from matched samples taken from two populations.Assume the population of differences is normally distributed. If the null hypothesis H₀: μd = 0 is tested at the 5% level, A) the null hypothesis should be rejected. B) the null hypothesis should not be rejected. C) the alternative hypothesis should be revised. D) the null hypothesis should be revised.

Question

Quizplus · Accepted Answer

Because the population of differences is assumed to be normally distributed and the null hypothesis is tested at a 5% level, if the p-value is greater than 0.05, the null hypothesis should not be rejected. No information is given about the p-value, so we cannot conclude that the null hypothesis should be rejected. Therefore, the best choice is B, as we should not reject the null hypothesis.

The Following Information Was Obtained from Matched Samples Taken from Two