For questions 52-60, refer to the following study and the accompanying SAS output: In the analyses below, 189 women were studied to assess risk factors for low birth weight. Variables of interest include last menstrual weight (LWT, quantitative), maternal race (RACE, categories 1,2,3), maternal smoking status (SMOKE, 1=yes, 0 = no), history of hypertension (HT, 1= yes, 0=no), uterine irritability (UI, 1=yes, 0=no). 52. What type of analysis is this? a. ANCOVA b. Linear regression c. Logistic regression d. One-way ANOVA e. Two-way ANOVA