Thul Company Is Interested in Establishing the Relationship Between Electricity

Thul Company is interested in establishing the relationship between electricity costs and machine hours.Data have been collected and a regression analysis prepared using Excel.The monthly data and the regression output follow: If the controller uses regression analysis to estimate costs,the estimate of the variable portion of electricity cost is:

A) Cost = $11.70 × Machine-hours.
B) Cost = $0.93 × Machine-hours.
C) Cost = $5.77 × Machine-hours.
D) Cost = $0.49 × Machine-hours.

Correct Answer:

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