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Name: A researcher wants to know if athletic women are more flexible than no
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Description: A researcher wants to know if athletic women are more flexible than non-athletic women. For this experiment, a woman who exercised vigorously at least four times a week was considered "athletic." Flexibility is measured in inches on a sit-and-reach b

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 researcher wants to know if athletic women are more flexible than non-athletic women. For this experiment, a woman who exercised vigorously at least four times a week was considered "athletic." Flexibility is measured in inches on a sit-and-reach box. One researcher tested his claim using the following summary statistics:

Assume that all the conditions for the test have been met. t = 1.626; p = 0.057; At the 1% level of significance, indicate your decision regarding the null hypothesis and your conclusion on the original statement.

Athletic women
Non-athletic women
n = 50
* = 5.0 inches
s =1.4 inches
n = 30
x = 4.6 inches
s = 0.8 inches

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