An alternative hypothesis that specifies that a population mean is different from a given value and also indicates the direction of that difference is called a:
A)differential alternative hypothesis
B)directional alternative hypothesis
C)a and b
D)neither a nor b

Question

Quizplus · Accepted Answer

A directional alternative hypothesis specifies not only that there is a difference between the population mean and a given value, but also indicates the direction of that difference. A differential alternative hypothesis is a broader term that simply indicates that there is a difference but does not specify the direction. Therefore, the correct answer is B, which is a directional alternative hypothesis.

An Alternative Hypothesis That Specifies That a Population Mean Is