NP chart

NP chart,

Definition of NP chart:

  1. Type of quality control chart which indicates the number of defective (nonconforming) units in a sample or subgroup. Commonly used where subgroup sizes are constant, it evaluates the stability of a process in terms of the total number of units in which an event of a given type (classification) occurs. Also called number of affected units chart.

Meaning of NP chart & NP chart Definition