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?

Question

perl · Answer

is there any more information given in the question?

anonymous · Answer

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

perl · Answer

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

anonymous · Answer

You're an angel! Thanks a lot!

perl · Answer

have you learned about the central limit theorem