Business, 15.04.2020 22:59 mjstew00763

In the 2009—2010 academic year, many public universities in the United States raised tuition and fees due to a decrease in state subsidies.

The change in the cost of tuition, a shared dormitory room, and the most popular meal plan from the 2008—2009 academic year for a sample of 10 public universities were as follows: $1589, $593, $1223, $869, $423, $1720, $708, $1425, $922 and $308.

a) What is the mean and median change in the cost? (Explain how you obtain your answer.)

b) What is the five-number summary of the change in the cost? (Explain how you obtain your answer.)

c) What is the standard deviation of the change in the cost? (Explain how you obtain your answer.)

d) The middle 50% of the change in the cost is spread over what value? (Explain how you obtain your answer.)

e) What is the coefficient of variation of the change in cost? (Explain how you obtain your answer.)

f) What are the (absolute values of) the Z scores of the change in cost? (Explain how you obtain your answer.)

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