Based on the Provided Table, the Expected Employee Bonus Is $\sigma$

Multiple Choice

Based on the provided table, the expected employee bonus is 3.05 or 3,050. What is the variance and the standard deviation of the annual bonus amount?

A) $\sigma$ =9.36=3.059
B) $\sigma$ =4.95=2.225
C) $\sigma$ =9.85=3.138
D) $\sigma$ =11.47=3.387