Exhibit 14-1 - A professor of women's studies is interested

Question # 00013146 Posted By: expert-mustang Updated on: 04/22/2014 08:21 AM Due on: 04/22/2014
Subject Statistics Topic General Statistics Tutorials:
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Exhibit 14-1

A professor of women's studies is interested in determining if stress affects the menstrual cycle. Ten women are randomly sampled for an experiment and randomly divided into two groups. One of the groups is subjected to high stress for two months while the other lives in a relatively stress-free environment. The professor measures the menstrual cycle (in days) of each woman during the second month. The following data are obtained.

High stress
20
23
18
19
22
Relatively stress free
26
31
25
26
30
Refer to Exhibit 14-1. The df for determining tcrit are _________.

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  1. Tutorial # 00012698 Posted By: expert-mustang Posted on: 04/22/2014 08:22 AM
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    groups. One of the groups ...
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