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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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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3. Hypothesis: College students sleep less than the recommended 8 hours. Sample Data: mean = 7.25, standard deviation = 2.1, N = 25.
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.

Statistics homework question answer, step 1, image 1

Statistics homework question answer, step 1, image 2

Critical value:

The critical value at the given level of significance with 24 degrees of freedom is, -2.064.

 

Decision rule:

Statistics homework question answer, step 1, image 3

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