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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®
267Chi-Square Test to Verify Source Association
Figure15.14. Click on “Other Stats” and it opens the dialog box shown in
Figure15.16. Check the box for “Fisher’s exact test for 2x2 tables” and click
on “OK”. It takes you back to the dialog box shown in Figure15.14. Click on
“OK” and the output shown in Figure15.17 is the result. Because the P-values
of the Pearson chi-square and Fisher’s exact test are <0.05, reject the null
hypothesis. In other words, there is a signicant association between prod-
uct conformance and facility.
The following shows how Minitab
®
calculates the Pearson chi-square
value of 4.466 shown in Figure15.17. Table
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Publisher Resources

ISBN: 9781482205572