QUESTION 1 In a certain section of a city, muggings have been a problem. The number of police officers patrolling that section of the city has varied' The following chart shows the number of police ofcers and the number of muggings for 8 successive days. (Round all answers to two decimal places.) 9 1O 8 6 13 7 15 Muggings 5 a) What is the explanatory variable? What is the response variable? b) What is the least squares regression equation? c) What is the correlation coefficient, r? Interpret this result. d) What is the coefcient of determination, r2? Interpret this result. e)Use the equation in part b, to estimate the average number of muggings when 16 police officers are patrolling that section of the city