Problem 3 A large international sales organization has collected data on the number of sales employees and the annual gross sales during the last 7 years. # of sales employees sales (in $000,000s) 1000 120 1010 130 1050 132 1025 128 1030 141 1038 150 1070 165 1100 169 1 180 174 1320 184 1246 178 1250 ? a. Estimate the regression line, that is, find Y = b, + b, X (attach your output) b. Interpret the estimated coefficients