You have calculate the following power model and associated unit space values: y

Question

You have calculate the following power model and associated unit space values: you would select the: cost = 1.67 (weight) 0.865 n = 7 (Y - Y)z = 1285 As an alternative, you could use the linear equation: cost = 122.31 + 126.80 (weight) SE = 14.52 linear equation because it has a higher standard error than the power model linear equation because it has a higher standard error than the power model linear equation because it has a higher standard error than the power model linear equation because it has a higher standard error than the power model

Explanation / Answer

Second one. By examination, I can tell that the standard error of the power model will be much larger than that of the linear model. Also, we generally do not use power models because while they might more accurately predict data in some cases, they work only for a very narrow range.

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