MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Use the following prompt to complete question 5

A psychologist is conducting a study to learn about the difference between two population means, µ1 - H2, using a two independent samples t
procedure. The two sample standard deviations are s1
4.0 points and s2 = 3.0 points, and the sample size for the group 1 was more than the sample
size for group 2. Which value is the only reasonable value for the pooled estimate of the common population standard deviation?
Question 5 Multiple Choice Options
2.3 points
3.3 points
3.5 points
3.7 points
4.9 points
Cannot be determined.
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Transcribed Image Text:A psychologist is conducting a study to learn about the difference between two population means, µ1 - H2, using a two independent samples t procedure. The two sample standard deviations are s1 4.0 points and s2 = 3.0 points, and the sample size for the group 1 was more than the sample size for group 2. Which value is the only reasonable value for the pooled estimate of the common population standard deviation? Question 5 Multiple Choice Options 2.3 points 3.3 points 3.5 points 3.7 points 4.9 points Cannot be determined.
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