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A coworker is considering the use of a log linear (power) model using weight to estimate the cost of a manufacturing effort.
1.
A coworker is considering the use of a log linear (power) model using weight to estimate the cost of a manufacturing effort. 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 = 1.455294 Log Space b0 = 3.673610
Cost = 51.387143 (Weight) 1.455294
Cost = 39.393861 (Weight) 1.455294
Cost = 1.455294 + 3.939388 (Weight)
Cost = 3.939388 + 1.455294 (Weight)
2.
You have calculated the following power model and associated unit space values:
[Image Description: n =9, Summation of (Y– Yhat)2 = 3298]
Power equation because it has a higher standard error than the linear model.
Power equation because it has a lower standard error than the linear model.
Linear equation because it has a lower standard error than the power model.
Linear equation because it has a higher standard error than the power model.
