Calculate the Standard Deviation of a Sample for Which $n = 6 , \sum x ^ { 2 } = 830 , \sum x = 60$

Multiple Choice

Calculate the standard deviation of a sample for which $n = 6 , \sum x ^ { 2 } = 830 , \sum x = 60$

A) 46.00
B) 6.19
C) 164.00
D) 6.78