The Variance of a Sample Was Reported to Be 144 $\sum ( x - \bar { x } ) ^ { 2 }$

Multiple Choice

The variance of a sample was reported to be 144.The report indicated that $\sum ( x - \bar { x } ) ^ { 2 }$ = 7200.What is the sample size?

A) 49
B) 50
C) 51
D) 52