Assertion: capability's value | /r/AtLocation | statistical table
Facets:
Source sentences:
text: The inherent process variation should be estimated from control charts using a simple formula for sigma, s = R / d2, where R is the average of the sample ranges, and d2 is a constant varying by sample size, which values can be found in statistical table (d2 = 2.33 for often used sample size equaled 5).