P
Chart Calculations
Plotted statistic
The
percent of items in the sample meeting the criteria of interest
where nj is the sample size
(number of units) of group j.
Center Line
where nj is the sample size
(number of units) of group j, and m is the number of groups included in
the analysis.
UCL , LCL (Upper and Lower
Control Limit)
where nj is the sample size
(number of units) of group j, p-bar is the Average percent.
where nj is the sample size
(number of units) of group j.
Center Line
where nj is the sample size
(number of units) of group j, and m is the number of groups included in
the analysis.
UCL , LCL (Upper and Lower
Control Limit)
where nj is the sample size
(number of units) of group j, p-bar is the Average percent.