Methods and formulas for graphs in Between/Within Capability Analysis

The histogram is displayed with two normal curves.

Black dashed curve

This normal distribution is generated using the process mean and the between/within standard deviation.

Red solid curve

This normal distribution is generated using the process mean and the overall standard deviation.

For information on how the standard deviations are calculated, go to Methods for Between/Within Capability Sixpack and click "Estimating standard deviation".