For Samples of the Specified Size from the Population Described $\bar { x }$

For samples of the specified size from the population described, find the mean and standard deviation of the samplemean $\bar { x }$
-The mean and the standard deviation of the sampled population are, respectively, $211.7$ and $21.9$ $\mathrm { n } = 64$

A)

B)

C)

D)