1. In one of Boston's public parks, mugging in summer months has been a serious issue. A police cadet took a random sample of 10 days and compiled the data. For each day, r represents the number of police officers on duty in the park and y represents the number of reported muggings on that day. A scatter plot has been provided in the following. (a) What information can we learn from the above scatter plot? (b) One wishes to use the linear model for this question. Please specify the theoretical linear model and the common assumptions. (c) Based on the following SAS output, please write out the regression line. Analysis of Variance Sum of Source OF Squares Square F Value Pr >F Model 169 58629 69.58629 123 39 <.0001 error corrected total root mse r-square dependent mean adj r-5q coelf var parameter estimates variable df estimate value pr> It Intercept 9.77960 0.51529 18.90