Round your all answers to two decimal places. Enter negative values as negative numbers, if necessary. a. Develop an estimated regression equation relating y to X1. ĝ + 21 Predict y if X1 = 45. ŷ b. Develop an estimated regression equation relating y to 32. ĝ + X2 Predict y if X2 = 25. = C. Develop an estimated regression equation relating y to X1 and 22. ĝ + 21+ 22 Predict Y if 21 45 and X2 = 25. = Consider the following data for a dependent variable y and two independent variables, 21 and 22. Ti 22 y 30 12 95 46 11 108 24 17 112 50 16 179 41 5 95 51 19 175 74 8 170 36 12 118 59 14 143 77 17 211 Round your all answers to two decimal places. Enter negative values as negative numbers, if necessary. a. Develop an estimated regression equation relating y to X1. ŷ = + 21 Predict y if x1 = 45. ŷ= b. Develop an estimated regression equation relating y to 12. ŷ = + C2 Predict y if 22 = 25. ỹ = c. Develop an estimated regression equation relating y to 21 and 22. + 21+ 22