Question

North Dakota Electric Company estimates its demand trend line (in millions of kilowatt hours) to be: D = 80.0 + 0.43Q, where

Forecast energy use for the four quarters of year 26​, beginning with winter.

For winter of year​ 26, the forecast for the energy use is (round your response to two decimal​ places).

Forecast energy use for the each quarter of year 26 ​(round your responses to two decimal​ places):

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Q relative, r Forecast using, Ft=80+ 0.43*Q Forecast with relative index= Overall average*r
year 26 Q1 101 0.8 123.43 98.74
year 26 Q2 102 1.2 274.00 328.80
year 26 Q3 103 1.4 276.00 386.40
year 26 Q4 104 0.6 278.00 166.80
Overall average 237.86
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