Question

Question # 9:

The manager of a car plant wishes to investigate how the plant’s electricity usage depends upon the plant’s production. Calculate the relationship between the variables.

Month Production (Million) Electricity Usage (Million kWh)

January 4.51 2.48

February 3.58 2.26

March 4.31 2.47

April 5.87 2.97

May 5.64 2.99

June 4.99 3.05

July 5.21 3.10

August 5.83 3.46

September 4.70 3.03

October 5.61 3.26

November 5.59 3.67

December 4.20 2.53

a) Determine the equation of least squares regression line.

b) Compute the residuals and verify that they add to zero.

c) Predict the electricity usage when production is: 5.00 million, 5.98 million

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Answer 1

Answer:

sorry l don't no answers