Of all U S credit unions 67 have a courtesy overdraft
Of all U.S. credit unions, 67% have a “courtesy overdraft” policy that automatically covers overdrafts, with the median fee for each overdraft being approximately $25. For 14 federal credit unions with a courtesy overdraft policy, the accompanying table shows their fee income, total assets, and average fee income per member for 2008.
a. Determine the multiple regression equation and interpret the partial regression coefficients.
b. Determine the 95% confidence interval for the population partial regression coefficients, β1 and β2.
c. Interpret the coefficient of determination and the result of each significance test done by the computer.
d. Analyze the residuals. Does the analysis support the applicability of the multiple regression model to these data?
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