Use POM for Windows' least squares-linear regression module to develop a relationship to forecast the yearly maintenance cost based on the age of a tractor. (Enter your responses rounded to three decimal places and include a minus sign if necessary.) Y=___ +___ X

If a section has 10 two-year-oldtractors, what does the forecast for the annual maintenance cost? ____

Age (years) 6.5 5.5 6.5 6.0 6.0 6.0 7.0 7.0 7.5 Maintenance Cost (S) 1,319 1,749 1,733 1,195 1,423 1,381 1,590 2,222 1,687 Age (years) 6.0 2.5 2.5 7.0 8.0 3.0 3.0 3.0 Maintenance Cost ($) 1,894 863 882 1,464 2,073 1,678 1,166 1,249