The expression is recognizable as the formula for:
A) the sample variance, computed from ungrouped data
B) the population variance, computed from ungrouped data
C) the sample variance, computed from grouped data
D) the population variance, computed from grouped data
E) the population variance, computed from ungrouped or grouped data

Question

The expression  is recognizable as the formula for:
A) the sample variance, computed from ungrouped data 
B) the population variance, computed from ungrouped data 
C) the sample variance, computed from grouped data 
D) the population variance, computed from grouped data 
E) the population variance, computed from ungrouped or grouped data

Quizplus · Accepted Answer

The expression follows the format of the formula for sample variance computed from grouped data, which includes the use of a numerator term and a denominator term with n-1 degrees of freedom.

The Expression Is Recognizable as the Formula For