Consider the following data for a dependent variable y and two independent variables, x1 and x2. :l 3;; (a) Develop an estimated regression equation relating y to x1. (Round your numerical values to one decimal place.) P=l l Predict y if x1 = 59. (Round your answer to one decimal place.) (b) Develop an estimated regression equation relating y to x2. (Round your numerical values to one decimal place.) 9=l l Predict y if x2 = 13. (Round your answer to one decimal place.) r -. i (c) Develop an estimated regression equation relating y to x and x2. (Round your numerical values to one decimal place.) 1 rel l Predict y if x1 = 59 and x2 = 13. (Round your answer to one decimal place.) 5 l k