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?


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  • CreatedJuly 16, 2015
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