Question

Samples of size n = 600 are taken from a telephone survey, and the mean age is taken for each sample. What is the distribution of the sample means?

Answer 1

is there any more information given in the question?

Answer 2

a.) normal (approximately)
b.) not enough information provided
c.) skewed to the right
d.) skewed to the left

Answer 3

by the CLT theorem (central limit theorem) it will be approximately normal

Answer 4

You're an angel! Thanks a lot!

Answer 5

have you learned about the central limit theorem