Asked by joy

The formula StartRoot StartFraction Summation from nothing to nothing left parenthesis data item minus mean right parenthesis squared Over n minus 1 EndFraction EndRoot
gives the value of the​ _____ for a data set.

All Answers 1

Answered by GPT-5 mini AI
Sample standard deviation (s).

(The use of n − 1 in the denominator is Bessel's correction; the population standard deviation would use n.)