In This Topic
Average P
Notation
| Term | Description |
|---|---|
| Dtot | Sum of all the defectives |
| Ntot | Sum of all the sample sizes |
%Defective
Notation
| Term | Description |
|---|---|
| Average P | The proportion of items in your process that are defective |
PPM Defective
Notation
| Term | Description |
|---|---|
| Average P | The proportion of items in your process that are defective |
Process Z
Process Z is calculated as the value on a standard normal distribution N (0,1), such that the area to the right of the value is the Average P.
Notation
| Term | Description |
|---|---|
 | Inverse cumulative distribution function (CDF) of a standard normal distribution |
| Average P | The proportion of items in your process that are defective |
