\begin{tabular}{|l|l|l|l|l|} \hline C & D & E & F & G \end{tabular} Union_Pay + \begin{tabular}{|l|r|r|} \hline \hline & A & B \\ \hline 25 & 20.50 & 31 \\ \hline 26 & 17.90 & 39 \\ \hline 27 & 16.90 & 27 \\ \hline 28 & 28.90 & 61 \\ \hline 29 & 17.10 & 27 \\ \hline 30 & 22.40 & 56 \\ \hline 31 & 27.30 & 44 \\ \hline 32 & 21.50 & 49 \\ \hline 33 & 18.80 & 47 \\ \hline 34 & 19.10 & 32 \\ \hline 35 & 29.00 & 73 \\ \hline 36 & 19.10 & 31 \\ \hline 37 & 22.50 & 34 \\ \hline 38 & 28.50 & 63 \\ \hline 39 & 24.60 & 42 \\ \hline 40 & 22.20 & 40 \\ \hline 41 & 17.20 & 40 \\ \hline 42 & 24.00 & 41 \\ \hline 43 & 26.20 & 47 \\ \hline 44 & 18.90 & 34 \\ \hline 45 & 15.50 & 25 \\ \hline 46 & 24.50 & 59 \\ \hline 47 & 25.80 & 54 \\ \hline 48 & 24.80 & 55 \\ \hline 49 & 25.10 & 53 \\ \hline 50 & 18.80 & 36 \\ \hline 51 & 26.70 & 43 \\ \hline 52 & & \end{tabular} \begin{tabular}{rrr|r|r|} \hline \hline \multicolumn{1}{|c|}{ C } & & D & F & G \\ \hline 10 & 13 & & \\ \hline 3 & 3 & & \\ \hline 13 & 9 & & \\ \hline 9 & 7 & & \\ \hline 8 & 8 & & \\ \hline 28 & 25 & \\ \hline 5 & 4 & \\ \hline 25 & 29 & \\ \hline 17 & 15 & \\ \hline 14 & 12 & \\ \hline 12 & 9 & \\ \hline 13 & 11 & \\ \hline 14 & 12 & \\ \hline 11 & 7 & \\ \hline 2 & 1 & \\ \hline 17 & 14 & \\ \hline 2 & 2 & \\ \hline 10 & 8 & \\ \hline 13 & 8 & \\ \hline 12 & 10 & \\ \hline 4 & 7 & \\ \hline 21 & 18 & \\ \hline 4 & 3 & \\ \hline 19 & 15 & \\ \hline 8 & 4 & \\ \hline 5 & 3 & \\ \hline 2 & 2 & \\ \hline \end{tabular} in automotive workers union, in conjunction with top management, is negotiating a new hourly pay policy for union workers based on Three variables: (1) job class, (2) years with the company, and (3) years as a union member at any company. The goal is to develop an equitable model that can objectively specify hourly pay, thereby reducing pay disparity grievances. The accompanying data flie shows nformation on 50 union workers. Click here for the Excel Data Fle a. Report the sample regression equation of the appropriate model. Note: Negative values should be indicated by a minus sign. Round your answers to 2 decimal places. b-1. At the 5% significance level, are the predictor variables jointly significant? First, specify the competing hypotheses. N011=2=3=0;HA. At least one j>0 H0,1=2=3=O1BA1 At least ane Bj0g0:j=0;HA2j