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Suppose that the standard deviation of the weight of the M&M-Mars candy was 0.75 gram before a machine recalibration. The quality-control engineer wants to test if the recalibration resulted in more consistent weights. Conduct the appropriate test with a 95% confidence level. Here is the sample data: 19.68 20.66 19.56 19.98 20.65 19.61 20.55 20.36 21.02 21.50 19.74

Suppose that the standard deviation of the weight of the M&M-Mars candy was 0.75 gram before a machine recalibration. The quality-control engineer wants to test if the recalibration resulted in more consistent weights. Conduct the appropriate test with a 95% confidence level. Here is the sample data: 19.68 20.66 19.56 19.98 20.65 19.61 20.55 20.36 21.02 21.50 19.74

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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Suppose that the standard deviation of the weight of the M&M-Mars candy was 0.75 gram before a machine recalibration. The quality-control engineer wants to test if the recalibration resulted in more consistent weights. Conduct the appropriate test with a 95% confidence level. Here is the sample data: 19.68 20.66 19.56 19.98 20.65 19.61 20.55 20.36 21.02 21.50 19.74
Transcribed Image Text:Suppose that the standard deviation of the weight of the M&M-Mars candy was 0.75 gram before a machine recalibration. The quality-control engineer wants to test if the recalibration resulted in more consistent weights. Conduct the appropriate test with a 95% confidence level. Here is the sample data: 19.68 20.66 19.56 19.98 20.65 19.61 20.55 20.36 21.02 21.50 19.74
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