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Error Total 45 6899.54 153.32 47 7037.32 How many psychiatrists completed the questi What is the estimated common standard devi What is the P-value? Make sure to specify the

Error Total 45 6899.54 153.32 47 7037.32 How many psychiatrists completed the questi What is the estimated common standard devi What is the P-value? Make sure to specify the

MATLAB: An Introduction with Applications
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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Source DF Age Error Total SS 137.78 68.89 0.45 MS 2 45 6899.54 153.32 47 7037.32 F (a) How many psychiatrists completed the questionnaire? (b) What is the estimated common standard deviation? (c) What is the P-value? Make sure to specify the degrees of freedom of the F statistic.
Transcribed Image Text:Source DF Age Error Total SS 137.78 68.89 0.45 MS 2 45 6899.54 153.32 47 7037.32 F (a) How many psychiatrists completed the questionnaire? (b) What is the estimated common standard deviation? (c) What is the P-value? Make sure to specify the degrees of freedom of the F statistic.
12.24 Perceptions of social media. It is estimated that more than 90% of North American students use social media. This has prompted much research on the mental health impacts of these technologies. In one study, researchers investigated how mental health workers perceive the association between social media and mental disorders. A sample of psychiatrists from Canada completed a questionnaire, from which a perception score was obtained (a higher score indicating a stronger perceived association). The following ANOVA table summarizes a comparison of these scores across three age groups (generations).
Transcribed Image Text:12.24 Perceptions of social media. It is estimated that more than 90% of North American students use social media. This has prompted much research on the mental health impacts of these technologies. In one study, researchers investigated how mental health workers perceive the association between social media and mental disorders. A sample of psychiatrists from Canada completed a questionnaire, from which a perception score was obtained (a higher score indicating a stronger perceived association). The following ANOVA table summarizes a comparison of these scores across three age groups (generations).
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