The director of graduate studies at a college of business wants to predict the success of students in anMBA program using two independent variables, undergraduate grade point average (GPA) and GMAT score.A random sample of 30 students (stored in MBA) indicates that 20 successfully completed the program (coded as 1) and 10 did not (coded as 0).
b. Explain the meaning of the regression coefficients for the model in (a).
c. Predict the probability of successful completion of the program for a student with an undergraduate grade point average of 3.25 and a GMAT score of 600.
d. At the 0.05 level of significance, is there evidence that a logistic regression model that uses undergraduate grade point average and GMAT score to predict probability of success in the MBA program is a good-fitting model?
e. At the 0.05 level of significance, is there evidence that undergraduate grade point average and GMAT score each make a significant contribution to the logistic regression model?
f. Develop a logistic regression model that includes only undergraduate grade point average to predict probability of success in the MBA program.
g. Develop a logistic regression model that includes only GMAT score to predict probability of success in the MBA program.
h. Compare the models in (a), (f), and (g). Evaluate the differences among the models.
This question was answered on: Jul 11, 2017
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