Take one of the data sets with multiple independent variables that appears in Chapters 3 or 4 and randomly delete 25–50 percent of values for one of the independent variables. Perform a multiple regression analysis using

(a) OLS regression and

(b) MLE via a software program that supports inclusion of cases with incomplete data in the analysis via maximum likelihood. Compare and contrast the results across the two analyses. How are they alike? How do they differ?