Question: 8.5 Use the ADD data set and fit a logistic regression model to predict whether a student dropped out before completing high school (DROPOUT) from

8.5 Use the ADD data set and fit a logistic regression model to predict whether a student dropped out before completing high school (DROPOUT) from average ADD score

(ADDSC) and ninth-grade GPA.

a. Does the model with both of the predictors provide significantly better fit (or prediction) than a model with no predictors? Report the appropriate test statistic, df, and p-value to support your answer.

b. Fully interpret the value, direction, and statistical significance of each of the slope estimates in the model with both predictors.

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