What Are the Values Of $\mu _{\bar { x }} \text { and } \sigma _{\bar { x }}$

Multiple Choice

What are the values of $\mu _{\bar { x }} \text { and } \sigma _{\bar { x }}$
for the sampling distribution of the sample mean shown?

A) $\mu _{\bar { x }} = 8 , \sigma _{\bar { x }} = 0.04$

B) $\mu _{\bar { x }} = 8 , \sigma _{\bar { x }} = 0.12$
C) $\mu _{\bar { x }} = 0.04 , \sigma _{\bar { x }}= 8$

D) $\mu _{\bar { x }}= 8 , \sigma _{\bar { x }} = 0.08$