This macro creates a blank Xbar or Individuals control chart where the control limits are based on historical information. There are two choices for obtaining the control limits: Calculate the control limits based on a historical mean and a historical sigma or directly enter the values for the historical upper and lower control limits.
Be sure that Minitab knows where to find your downloaded macro. Choose Macro location browse to the location where you save macro files.. Under
If you use an older web browser, when you click the Download button, the file may open in Quicktime, which shares the .mac file extension with Minitab macros. To save the macro, right-click the Download button and choose Save target as.
To run the macro, click anywhere in the Session window and choose. At the command prompt (MTB>), type the following: