The amount of money PERs retirees earn a month vary according to a uniform distribution, ranging from $400 a month to $8000 per month. E(X) = $4200, SD(X) = $2193.93Consider the sampling distribution of all possible averages, consisting of sampling

thirteen

monthly incomes randomly, and calculating the average with the

thirteen

incomes.The distribution could be categorized as

A.

approximatelynormal

B.

normal.

C.

uniform.