Question: Q2 The director of graduate studies at a large college of business would like to predict the grade point average (GPA) of students in

Q2 The director of graduate studies at a large college of business would like to predict the grade point average (GPA) of students in an MBA program based on the Graduate Management Admission Test (GMAT) score. A sample of 20 students who had completed 2 years in the program is selected. The results are stored in the file gpigmat.xls: GMAT GMAT Observation Score GPA Observation Score GPA 1 688 3.72 11 567 3.07 2 647 3.44 12 542 2.86 3 652 3.21 13 551 2.91 4 608 3.29 14 573 2.79 5 680 3.91 15 536 3.00 10 67890 617 3.28 16 639 3.55 557 3.02 17 619 3.47 599 3.13 18 694 3.60 616 3.45 19 718 3.88 594 3.33 20 759 3.76 a) Find the regression coefficient Bo b) Find the regression coefficient (correct your answer to 3 decimal places) c) Find the coefficient of determination d) Find the coefficient of correlation (correct your answer to 3 decimal places) e) What conclusions can you reach about the relationship between GMAT and GPA? Answer: There is a (i) (ii) (iii) (iv) between GMAT and GPA. f) Predict the GPA of a student who got 689 score in GMAT.

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1 Regression Coefficient 1 beta1 1 Slope The formula for 1 beta1 1 is 1 X i X Y i Y X i X 2 beta1 fracsum Xi barXYi barYsum Xi barX2 1XiX2XiXYiY Step ... View full answer

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