e/Np-chart

Information
has gloss	eng: In statistical quality control, the np-chart is a type of control chart used to monitor the number of nonconforming units in a sample. It is an adaptation of the p-chart and used in situations where personnel find it easier to interpret process performance in terms of concrete numbers of units rather than the somewhat more abstract proportion.
lexicalization	eng: np-chart
instance of	c/Statistical charts and diagrams