Cincinnati Paint Company sells quality brands of paints through hardware stores throughout the United States. The company mainta
ins a large sales force who call on existing customers and look for new business. The national sales manager is investigating the relationship between the number of sales calls made and the miles driven by the sales representative. Also, do the sales representatives who drive the most miles and make the most calls necessarily earn the most in sales commissions? To investigate, the vice president of sales selected a sample of 25 sales representatives and determined: The amount earned in commissions last month (y) The number of miles driven last month (x1) The number of sales calls made last month (x2) The information is reported below. Commissions ($000) Calls Driven Commissions ($000) Calls Driven 23 139 2,371 39 148 3,292 13 134 2,228 45 146 3,105 34 144 2,733 30 148 2,124 38 143 3,353 39 145 2,792 24 143 2,290 37 151 3,210 47 142 3,451 15 133 2,289 30 140 3,115 35 145 2,851 39 140 3,342 25 132 2,690 41 145 2,844 27 132 2,935 32 134 2,626 26 129 2,674 21 136 2,121 44 156 2,991 13 139 2,221 35 149 2,830 47 146 3,465