Store statistics for Automated Capability Analysis

Stat > Quality Tools > Capability Analysis > Automated > Storage

You can save statistics from your analysis to the worksheet so that you can use them in other analyses, graphs, and macros. Minitab stores the selected statistics after the last column of data. The names of the storage columns end with a number that increases as you store the same statistic multiple times.

Process data statistics

Variable name
Store the name of the column of measurements used for the analysis. Minitab stores the information in the column VarName.
LSL
Store the lower specification limit. Minitab stores the value in the column LSL.
Target
Store the target of the process. Minitab stores the value in the column Target.
USL
Store the upper specification limit. Minitab stores the value in the column USL.
Mean
Store the process mean. Minitab stores the value in the column Mean.
Median
Store the process median. Minitab stores the value in the column Median.
Sample N
Store the sample size used for the analysis. Minitab stores the value in the column SampleN.
StDev (Within)
Store the within-subgroup standard deviation. The analysis calculates this statistic when the method is the normal distribution. Minitab stores the value in the column WStDev.
StDev (Overall)
Store the overall standard deviation. Minitab stores the value in the column OStDev.

Capability statistics

Observed PPM or % Total
Store the observed parts per million (or the observed percentage) outside the specification limits. Minitab stores the value in the column PPMT.
Method
Store the name of the method the analysis uses to calculate the capability statistics. The analysis stores the value in the column Distribution.
Cp
Store the potential capability measure Cp. The analysis calculates this statistic when the method is the normal distribution. Minitab stores the value in the column Cp.
Cpk
Store the potential capability measure Cpk. The analysis calculates this statistic when the method is the normal distribution. Minitab stores the value in the column Cpk.
Pp or Cnp
Store the overall capability measure for the method. The measure is Pp except for the nonparametric method. Minitab stores the result in the column Pp or Cnp.
Ppk or Cnpk
Store the overall capability measure for the method. The measure is Ppk except for the nonparametric method. Minitab stores the value in the column Ppk or Cnpk.