# Question

The average income in Connecticut in 2013 was $60,000 per person per year, and that was larger than the average for any other state but smaller than the District of Columbia. Suppose the standard deviation is $30,000 and the distribution is right-skewed. Suppose we take a random sample of 400 residents of Connecticut.

a. What value should we expect for the sample mean? Why?

b. What is the standard error for the sample mean?

a. What value should we expect for the sample mean? Why?

b. What is the standard error for the sample mean?

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