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An academic advisor wants to predict the typical starting salary of a graduate a

ID: 3228521 • Letter: A

Question

An academic advisor wants to predict the typical starting salary of a graduate at a top business school using the GMAT score of the school as a predictor variable. Some results from a simple linear regression of SALARY versus GMAT are shown below. Bo=-92040 B1 =228 34) the starting salary for a graduate who scored a 650 on the GMAT. A. $92,040 B. $66,700 C. $59,826 D. $56,160 35) set up the null and alternative hypotheses for testing whether GMAT is a useful predictor of SALARY. A. Ho: B1= 228 vs. Ha: B1 228 B. Ho: ß10 vs. Ha: ßI>0 C. Ho: B1=0 vs. Ha:B1 0 D. Ho:B1= 228 vs Ha: B1=228

Explanation / Answer

(a) SALARY = -92040 + 228.34(650) = 56381

Option D

(b) Ho: B1=0 vs. Ha:B1 0

Option C.

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