1) Shown is a partial computer output from a regression analysis: Sales Ad NumEmp Temp 29 36 32 40 14 50 47 18 53 17 52 20 60 19 58 The regression equation is Sales = 4.354 + 0. 675 Ad + 0. 907 NumEmp + 0. 0552 Temp Predictor Coef SE Coef T P Constant 4. 354 1. 432 3.04 0 . 016 Ad 0. 676 0. 2874 2. 35 0 . 047 NumEmp 0.907 0 . 4912 1. 85 0 . 102 Temp 0 . 055 0 . 0857 0 . 64 0 . 538 S = 0.80 R - Sq = - - - -. Analysis of Variance Source DF SS MS F P Regression 54.00 0.000 Residual Error Total