Assertion: r chart | /r/Synonym | control chart
Facets:
value: popularly
type: DEGREE
Source sentences:
text: In statistical process monitoring (SPM), the X ¯ {\displaystyle {\bar {X}}} and R chart is a type of scheme, popularly known as control chart, used to monitor the mean and range of a normally distributed variables simultaneously, when samples are collected at regular intervals from a business or industrial process..