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Source Between Within Total SS df MS F N/A

Source Between Within Total SS df MS F N/A

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 Between Within Total SS df MS F N/A
Transcribed Image Text:Source Between Within Total SS df MS F N/A
A school psychologist designed a study to investigate the effectiveness of three study programs. A sample of 30 students were randomly selected and assigned to one of the three programs. After 3 months, the researcher assessed their academic performance and reported the scores that have been increased over the 3 months period. Based on the data below, do we have the evidence that the three programs produced different results? Conduct a hypothesis test at a significance level of .05 by answering the following questions. Program A: 12, 10, 15, 9, 8, 12, 6, 11, 7, 13 Program B: 6, 4, 8, 7, 6, 5, 12, 8, 6, 3 Program C: 7, 9, 8, 3, 6, 10, 12, 6, 7, 4
Transcribed Image Text:A school psychologist designed a study to investigate the effectiveness of three study programs. A sample of 30 students were randomly selected and assigned to one of the three programs. After 3 months, the researcher assessed their academic performance and reported the scores that have been increased over the 3 months period. Based on the data below, do we have the evidence that the three programs produced different results? Conduct a hypothesis test at a significance level of .05 by answering the following questions. Program A: 12, 10, 15, 9, 8, 12, 6, 11, 7, 13 Program B: 6, 4, 8, 7, 6, 5, 12, 8, 6, 3 Program C: 7, 9, 8, 3, 6, 10, 12, 6, 7, 4
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