Question

In a very large population, the distribution of annual income is skewed, with a long right tail. We take a Simple Random Sample of n people from this population and record the mean annual income of the people in the sample. Use this information to answer questions a, b, and c.(a) If n = 6, we would expect the distribution of sample means to be
A. skewed to the left.
B. an approximately Uniform distribution.
C. skewed to the right.
D. an approximately Normal distribution.
(b) If n = 41, we would expect the distribution of sample means to be
A. an approximately Normal distribution.
B. skewed to the left.
C. skewed to the right.
D. an approximately Uniform distribution.
(c) If n = 136, we would expect the distribution of sample means to be
A. skewed to the left.
B. an approximately Normal distribution.
C. skewed to the right.
D. an approximately Uniform distribution.

Answer 1