The Correct Formula for Calculating the Total Sum of Squares $\Sigma$

Multiple Choice

The correct formula for calculating the total sum of squares is:

A) $\Sigma$ (N - 1) /2.
B) $\Sigma$ (X - GM) ².
C) $\Sigma$ (X - GM) /(N - 1) .
D) $\Sigma$ (X - GM) /N.