In: Math
As part of Office Depot’s cost reducing strategy, research is being conducted on its line of printers. Currently Office Depot offers 5 types of printers, each having different features. Office Depot detected that when it comes to buying a printer, customers look first for a particular printing speed (pages per minute, or ppm) and only then they look to the price to make their decision. A regression analysis is performed to determine whether printer speed is a driver of (explains) the price. The following table displays the printers, their speeds and associated prices.
| 
 printer  | 
 speed  | 
 price  | 
| 
 minolta  | 
 10  | 
 149  | 
| 
 HP  | 
 12  | 
 450  | 
| 
 Xerox  | 
 18  | 
 750  | 
| 
 Brother  | 
 16  | 
 799  | 
| 
 IBM  | 
 12  | 
 250  | 
| 
 Averages  | 
 13.60  | 
 479.60  |