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Six Sigma Case Studies with Minitab®
book

Six Sigma Case Studies with Minitab®

by Kishore K. Pochampally, Surendra M. Gupta
February 2014
Intermediate to advanced content levelIntermediate to advanced
318 pages
8h 6m
English
CRC Press
Content preview from Six Sigma Case Studies with Minitab®
58 Six Sigma Case Studies with Minitab
®
Shift 3
Shift 2
Shift 1
1.501.251.000.750.50
Shift
95% Bonferroni Confidence Intervals for StDevs
Test Statistic
P-Value
0.30
0.862
0.02
0.984
Test Statistic
P-Value
Bartlett’s Te st
Levene’s Test
Test for Equal Variances for Size
FIGURE 4.25
Condence intervals for standard deviations of three shifts.
Test for Equal Variances: Size versus Shift
95% Bonferroni confidence intervals for standard deviations
Shift N Lower StDev Upper
Shift 1 20 0.671793 0.935314 1.49742
Shift 2 20 0.601368 0.837264 1.34045
Shift 3 20 0.604612 0.841781 1.34768
Bartlett’s Test (Normal Distribution)
Test statistic = 0.30, p-value = 0.862
Levene’s Test ...
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Publisher Resources

ISBN: 9781482205572