Np
Chart Calculations
Plotted statistic
the
number of items in a sample meeting a criteria of interest
Center Line
where m is the number of
groups included in the analysis.
UCL , LCL (Upper and Lower
Control Limit)
where n is the sample size,
np-bar is the Average count , and p-bar is calculated as follows:
where m is the number of
groups included in the analysis.
UCL , LCL (Upper and Lower
Control Limit)
where n is the sample size,
np-bar is the Average count , and p-bar is calculated as follows:
