Calculate the Variance of a Sample for Which $$n = 5 , \quad \sum x ^ { 2 } = 1320 , \quad \sum { x } = 80$$

Multiple Choice

Calculate the variance of a sample for which $$n = 5 , \quad \sum x ^ { 2 } = 1320 , \quad \sum { x } = 80$$

A) 10.00
B) 8.00
C) 326.00
D) 3.16