Clough Company is interested in establishing the relationship between utility costs and machine hours. Data have been collected and a regression analysis prepared using Excel. The monthly data and the regression output follow:

$\backslash$table$[[$Month$,$Machine Hours,Utility Costs$],[$January$,3,250,22,080],[$February$,3,770,25,200],[$March$,2,470,16,200],[$April$,4,030,27,600],[$May$,4\mathrm{.}940,33,900],[$June$,4,290,26,400],[$July$,5,330,29\mathrm{.}700],[$August$,4550,27,300],[$September$,2,600,18,600],[$October$,4,810,31,200],[$Novernber$,6,110,37,200],[$Decenber$,5,460,33,300$