LOW-WEIGHT Data: Cardiac Comps Smoking BW Freq 1 Yes Yes Yes Yes 10 2 Yes Yes Yes No 7 3 Yes Yes No Yes 25 4 Yes Yes No No 5 5 Yes No Yes Yes 12 6 Yes No Yes No 22 7 Yes No No Yes 15 8 Yes No No No 19 9 No Yes Yes Yes 18 10 No Yes Yes No 10 11 No Yes No Yes 12 12 No Yes No No 12 13 No No Yes Yes 42 14 No No Yes No 202 15 No No No Yes 45 16 No No No No 205 Description: A survey of low-weight births in Scotland between 1981 and 1988. The data refers to 661 children with birth weights between 650g and 1749g all of whom survived for at least one year. Format: - Cardiac Mild heart problems of the mother during pregnancy. (Yes/No) - Comps Gynaecological problems during pregnancy. (Yes/No) - Smoking Mother smoked at least one cigarette per day during the first 6 months of pregnancy. (Yes/No) - BW Was the birth weight less than 1250g? (Yes/No) - Freq Number of children in the cathegory. Task: Report on factors that explain the low birth weight.