Note: When you generate a np-chart and select Capability, JMP launches the Binomial Fit in Distribution and gives a Binomial-specific capability analysis.
The following example uses the Washers.jmp data table.
1.
|
2.
|
Select Analyze > Quality and Process > Control Chart > NP.
|
3.
|
4.
|
Change the Constant Size to 400.
|
5.
|
Click OK.
|
Figure 4.22 np-chart
An np-chart for the number of defects appears. Points 4 and 9 are above the upper control limit.