Question

randall walker, a researcher, believes blood pressure will change with regular exercise. his alternative hypothesis would contain a less - than sign. true false question 30 (2 points) listen in a right - tail hypothesis test, the null hypothesis should not be rejected when the test value is _ the critical value. below above question 31 (5 points) listen

Explanation:

Step1: Understand the alternative hypothesis

The alternative hypothesis for a change (not specifying direction as just "change") is a two - tailed test. A two - tailed alternative hypothesis uses $
eq$, not $<$.

Step2: Understand right - tail hypothesis test

In a right - tail hypothesis test, we reject the null hypothesis when the test value is above the critical value. We do not reject the null hypothesis when the test value is below the critical value.

Answer:

False for the first question. A. below for the second question.