The average college senior graduated this year with more than $19,000 in debt was the beginning sentence
Question:
a. Produce a time-series plot of these data. Indicate the time-series components that exist in the data.
b. Conduct a test of hypothesis to determine if there exists a linear trend in these data. Use a significance level of 0.10 and the p -value approach.
c. Provide a 90% prediction interval for the amount of federal loans for the 26th academic year.
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Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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