Question
ABC Corporation reports the following data for the first six months of the year: Machine Electrical Month Hours Cost January 400 $40 ........................................ February 300
ABC Corporation reports the following data for the first six months of the year:
Machine Electrical
Month Hours Cost
January 400 $40
........................................
February 300 $30
.......................................
March 400 $50
.........................................
April 300 $40
.........................................
May 200 $30
.........................................
June 200 $20
a. Using the least-squares regression method, the estimated variable electrical cost per machine hour.
b. Using the least-squares regression method, the estimated monthly fixed component of the electrical cost.
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