3. Hypothesis: College students sleep less than the recommended 8 hours. Sample Data: mean = 7.25, standard deviation = 2.1, N = 25.
3. Hypothesis: College students sleep less than the recommended 8 hours. Sample Data: mean = 7.25, standard deviation = 2.1, N = 25.
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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Transcribed Image Text:3. Hypothesis: College students sleep less than the recommended 8 hours.
Sample Data: mean = 7.25, standard deviation = 2.1, N = 25.
Expert Solution
Step 1
Given,
Sample size = 25
Sample mean = 7.25
Sample standard deviation = 2.1
Set up the null and the alternative hypothesis.
Critical value:
The critical value at the given level of significance with 24 degrees of freedom is, -2.064.
Decision rule:
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