A researcher in sports psychology is interested in the resting pulse rate of long-distance college runners.She does some research and finds data from the U.S.Olympics team showing their long-distance runners have a resting pulse rate of 60 beats per minute.She wants to know if the pulse rate for college runners is different from the Olympic team's m of 60.She randomly samples 20 long-distance runners,and finds
Based on the above calculations,what is your decision regarding the null hypothesis?

Question

A researcher in sports psychology is interested in the resting pulse rate of long-distance college runners.She does some research and finds data from the U.S.Olympics team showing their long-distance runners have a resting pulse rate of 60 beats per minute.She wants to know if the pulse rate for college runners is different from the Olympic team's m of 60.She randomly samples 20 long-distance runners,and finds

Based on the above calculations,what is your decision regarding the null hypothesis?

Quizplus · Accepted Answer

The calculated t-value is greater than the critical t-value at α=0.05 and degrees of freedom of 19. Therefore, we reject the null hypothesis and conclude that there is evidence that the pulse rate for college runners is different from the Olympic team's resting pulse rate of 60 beats per minute.

A Researcher in Sports Psychology Is Interested in the Resting