u Chart Formulas
u charts determine stability of "counted" data (e.g., errors per bill, dents in a car door, etc.) when there can be more than one defect per unit and the sample size varies.
Here is the formula used to calculate a u chart.
Conforms with ANSI/ASQC B1, B2, B3 1996
Other Resources
- OtherĀ Performance Chart formulas
The u chart is just one of the tools included in the ChartSmartXL.
To create an U Chart using ChartSmartXL...
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To create an U Chart using ChartSmartXL...
60 Day Money-Back Guarantee