Assertion: chart | /r/HasProperty | valid
Facets:
Source sentences:
text: As with the x ¯ {\displaystyle {\bar {x}}} and s and individuals control charts, the x ¯ {\displaystyle {\bar {x}}} chart is only valid if the within-sample variability is constant.
text: As with the x ¯ {\displaystyle {\bar {x}}} and R and individuals control charts, the x ¯ {\displaystyle {\bar {x}}} chart is only valid if the within-sample variability is constant.