Question

The manager of a car plant wishes to investigate how the plant’s electricity usage depends upon the plant’s production.
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Month
Production (Million)
Electricity Usage (Million kWh)
January
4.51
2.48
February
3.58
2.26
March
4.31
2.47
April
5.06
2.77
May
5.64
2.99
June
4.99
3.05
July
5.29
3.18
August
5.83
3.46
September
4.70
3.03
October
5.61
3.26
November
4.90
2.67
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.

Answer 1

Step-by-step explanation:

It is a very big question and also hard