A coworker is considering the use of a log linear (power) model using weight to estimate the cost of a missile engine. They have performed the following calculations in log space using natural...

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A coworker is considering the use of a log linear (power) model using weight to estimate the cost of a missile engine. They have performed the following calculations in log space using natural logarithms. Select the corresponding unit space form of this power model equation. Log Space b1=1.109438 Log Space b0=-0.229321


a. Cost=2.421347 (weight) 1.109438


b. Cost=1.109438 + 0.884324 (weight)


c. Cost=0.884324+1.109438 (weight)


d. Cost =0.795073 (Weight) 1.109438



Answered Same DayDec 25, 2021

Answer To: A coworker is considering the use of a log linear (power) model using weight to estimate the cost of...

David answered on Dec 25 2021
118 Votes
The relevant model here is the power model.
Thus, the equation would be of the following form
C
ost = bo weight
b1
As per the data provided, bo = e
0.229321 = 0.795073
While b1 = 1.109438
Hence, the correct equation in this case would be
Cost = 0.795073* Weight1.109438
Thus, the...
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