A track coach wanted to test if a new type of shoe helped her sprinters. On Tues

Question

A track coach wanted to test if a new type of shoe helped her sprinters. On Tuesday, she handed out red (old type) and blue (new shoes) to her team and ran time trials. On Thursday, she switched the recipiants of the shoe colors after cleaning the shoes) and repeated the time trials. She then compared the differences in time for each person. OA) Test for a Single Means O B) Test for a Difference in Means C) Test for Paired Means D) Test for a Single Proportion E) Test for a Difference in Proportions F) Goodness-of-Fit Test O G) Test for Association

Explanation / Answer

As the coach is comparing the differences in time fir each person.. So we have to use the test first the difference in means.

Option B is correct

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