Question 7

FileCT_Undergrad_Debt. On average, a college student graduates with $28,000 in debt (The Boston Globe, May 27, 2012). A researcher collects data on debt from 45 recent undergraduates from Connecticut. Assume that the population standard deviation is $7000.

a.The researcher believes that recent undergraduates from Connecticut have less debt than the national average. Specify the competing hypotheses to test this belief.

(2 Marks)

b.Find the value of the test statistics and the p-value?

(6 Marks)

c.Do the data support the researcher's claim at?