Score: 5 of 20 pts | 3 of 3 (3 complete) HW Score: 50%, 25 of 50 pts Problem 4.2

ID: 361937 • Letter: S

Question

Score: 5 of 20 pts | 3 of 3 (3 complete) HW Score: 50%, 25 of 50 pts Problem 4.28 Question Help North Dakota Electric Company estimates its demand trend line (in millions of kilowatt hours) to be D-80.0+0.450, where Q refers to the sequential quarter number and Q = 1 for winter of Year 1 . In addition, the multiplicative seasonal factors are as follows: Quarter Winter Spring Summer Fal Factor (Index) 0.80 1.20 1.45 0.55 In year 26 (quarters 101-104), the energy use for each of the quarters beginning with winter is (round your response to one decimal place) Quarter Winter Spring Energy Use 00.4

Explanation / Answer

Week (yr*4)

Index

Demand

Forecast

Winter

101

0.8

125.45

100.36

=125.45*0.8

Spring

102

1.2

125.9

151.08

Summer

103

1.45

126.35

183.2075

Fall

104

0.55

126.8

69.74