Can you explain why that's the answer

Modeling using SAS Visual Statistics: Practice Questions Refer to the exhibit: Fit Summary reading_score writing_score ethnicity gender attendance_days membership_days discipline_days reading_score*writing_score 0.1 0.01 0.001 0.0001 Description Value Number of Model Effects 9 Number of Classification Effects 2 Number of Columns in X 14 Rank of Cross-product Matrix 10 Number of Observations Read 40,087 Number of Observations Used 8,826 Which option was NOT specified in creating the linear regression model using SAS Visual Statistics? 2-2024 Modeling using SAS Visual Statistics: Practice Questions A. interaction term B. group-by variable C. variable selection D. continuous effects correct_answer = "Bquot