State the hypotheses necessary to test whether the two populations differ from each other. b) Complete the test at the .05 and .01 levels of significance and state your conclusions.
State the hypotheses necessary to test whether the two populations differ from each other. b) Complete the test at the .05 and .01 levels of significance and state your conclusions.
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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Following are data from a hypothetical study of exercise and depression. People were randomly assigned to
exercise or not over the course of two months (higher scores reflect higher levels of depression at the end of
the study).
Exercise: 19, 7, 24, 15, 14, 16, 25, 12, 22 No exercise: 25, 31, 26, 33, 36, 25, 34, 42
a) State the hypotheses necessary to test whether the two populations differ from each other.
b) Complete the test at the .05 and .01 levels of significance and state your conclusions.
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