Enter your data for Nonparametric Capability Analysis

Stat > Quality Tools > Capability Analysis > Nonparametric

Enter your data

Select the option that best describes your data.

Single column

If your data are in a single column of the worksheet, complete the following steps.

  1. Under Data are arranged as, select Single column.
  2. In Single column, enter the column of numeric data that you want to analyze.
In this worksheet, Diameter contains the diameter of piston rings.
C1
Diameter
74.030
74.002
74.019
73.992
73.995

Subgroups across rows of

If you have subgroups arranged in rows across several columns of the worksheet, and each row represents a single subgroup, complete the following steps.

Note

If you use this option to enter your data, all subgroups must be the same size. If your subgroups are arranged in rows and the sizes differ, you can enter a missing value symbol "*" in worksheet cells as needed to make all the subgroup sizes the same.

  1. Under Data are arranged as, select Subgroups across rows of.
  2. In Subgroups across rows of, enter the columns of numeric data that you want to analyze.
In this worksheet, the first row contains the diameters of the piston rings in subgroup 1. The second row contains the diameters of the piston rings in subgroup 2, and so on.
C1 C2 C3
Observation 1 Observation 2 Observation 3
74.030 73.995 73.988
74.002 73.992 74.024
74.019 74.011 74.021
73.992 74.004 74.005

Specification limits

To perform the analysis, you must enter a lower specification limit, an upper specification limit, or both.

Lower spec
Enter the minimum acceptable value for the product or service.
Upper spec
Enter the maximum acceptable value for the product or service.