QUESLIOTOP ponLS/ PART 2: Analysis of Credit Card Data: What is the total effect of Credit Rating on Credit Card Balance for non-students? Choose one from below: For each unit increase in Credit Rating, Credit Card Balance for non-students will increase by $0.246 on average. For each unit increase in Credit Rating, Credit Card Balance for non-students will increase by $2.54 on average For each unit increase in Credit Rating, Credit Card Balance for non-students will increase by $2.79 on average The following objects are masked from Credit (pos = 20): Age, Balance, Cards, Education, Ethnicity, Gender, Income, Limit, Married, Rating, Student, X The following objects are masked from credit (pos - 23): Age, Balance, Cards, Education, Ethnicity, Gender, Income, Limit, Married, Rating, Student, X > head(credit) X Income Limit Rating Cards Age Education Gender Student Married Ethnicity Balance 11 14.891 3606 283 2 34 11 Male No Yes Caucasian 333 2 2 106.025 6645 483 3 82 15 Female Yes Yes Asian 903 3 3 104.593 7075 514 4 71 11 Male No No Asian 580 4 4 148.924 9504 681 3 36 11 Female No Asian 964 5 5 55.882 4897 357 2 68 16 Yes Caucasian 331 66 80.180 8047 569 4 77 No Caucasian 1151 Male Male No No No 10 > > ### Predictors ### > Im.fit-.m(Balance-Rating+Student+Rating Student) > lm,fit I Call: Im(formula - Balance - Rating + Student + Rating Student) Coefficients: (Intercept) -423.3712 Rating 2.5454 Student Yes Rating: Student Yes 311.9994 0.2461 > summarvcim.fit) Go to file/function - Addins - Source Console Terminal x Jobs x -/Documents/finance 4090/data/ > lm.fit-Im(Balance-Rating+Student+Rating*Student) > lm.fit Call: Im formula - Balance Rating + Student + Rating - Student) Coefficients: (Intercept) -423.3712 Rating 2.5454 StudentYes Rating: Student Yes 311.9994 0.2461 > summary(lm.fit) Call: Im(formula - Balance - Rating - Student + Rating - Student) Residuals: Min 1Q Median 3Q Max -695.0 -115.4 2.6 125.7 466.9 Coefficients: Estimate Std. Error t value Pr(>It) (Intercept) -423.37117 26. 14584 -16.193
