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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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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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