Using Attribute Statistics

Attribute statistics only apply to discrete data types, that is, count data. This type of data is typically associated with defect tallies.

The following table describes equations used with attribute statistics:

Equation Statistic Alternate Equation Forms
gv_7bbd_sqsy7e93

The sum of defects is the total count of all the defects in a sample.

None
gv_7bbc_sqsy7e91

This equation represents the average number of defects per unit.

 gv_7bbb_sqsy7e8f
gv_7bba_sqsy7e8d

This equation represents the number of defects per 100 units.

None
gv_7bb9_sqsy7e8b

This equation represents the number of defects per 1000 units.

None
gv_7bb8_sqsy7e89

This equation represents the number of defects per million units.

None