a.)

b.)

Use POM for Windows' least squares-linear regression module to develop a relationship to forecast the yesrly maintonance cost based on the age of a tractor. (Entor your reaponses rounded to ee decimal places and include o minus sign if necessary) vere Y= Yearty maintenance cost in dollars and X= Age in years. If a section has 10 two-year-did tractors, what is the forecast for the annual mainsenance cosh? (Ender pour miponse foundes fo hro decimal places.)