SPC for Excel contains the following techniques for comparing processes:
- Fisher’s LSD Method for Means
- Tukey’s Method for Means
- Bonferroni’s Method for Means
- Box and Whisker Plots
- Bartlett’s Test for Equality of Variances
- Modified Levene’s Test for Equality of Variances
Select “Multiple Processes” from the “Statistical Tools” panel in the SPC for Excel ribbon.
Select the option you wish to use.
Use the links above to access the help pages for the options listed.