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Name: A trainer has developed a training method that they believe could impr
Uploaded: 2024-03-20T07:07:12.000Z
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Description: A trainer has developed a training method that they believe could improve a person’s performance in a marathon. To test the training method’s effects, she randomly selects 61 runners. First, they all run a marathon using their typical training method

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A trainer has developed a training method that they believe could improve a person’s performance in a marathon. To test the training method’s effects, she randomly selects 61 runners. First, they all run a marathon using their typical training method, then 6 months later they all use the trainer’s new method to train, and run the same marathon again. The trainer measures the time it takes each runner to complete the first marathon and the second marathon. She uses an alpha level of .01 to test whether the runners’ are faster using her method (hint: which means the runners times would have decreased in the second marathon/or time 2) This hypothesis test requires a(n) a. Independent sample t-test b. Dependent sample/repeated measures t-test c. Single sample Z test d. Single sample t test

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