A sales manager collected the following data on y annual sales and x years of experience. The estimated regression equation for these data is y = 80 + 4z. Click on the datafile logo to reference the data_ DATA file Years Of Experience Annual Sales (S1OOOs) 80 Salesperson 97 92 102 103 111 10 119 10 123 11 117 10 13 136 a. Compute SST, SSR, and SSE_ SSE SST SSR Compute the coefficient of determination 72 % Comment on the goodness of fit. Select your answer What is the value of the sample correlation coefficient (to 2 decimals)?