A manager wishes to estimate an average cost equation of the following form:

C = a + b Q + c Q ^ { 2 }

where Q is the level of output.Letting Z = Q² and using least-squares estimation,the manager obtains the following computer output: $A manager wishes to estimate an average cost equation of the following form: C = a + b Q + c Q ^ { 2 } where Q is the level of output.Letting Z = Q<sup>2</sup> and using least-squares estimation,the manager obtains the following computer output: Given the above information,which of the parameter estimates are statistically significant at the 1% significance level? A)All parameter estimates are statistically significant. B)All parameter estimates except \hat { b } are statistically significant. C) \hat { a } is not statistically significant,but all the rest of the parameter estimates are significant. D) \hat { C } is not statistically significant,but all the rest of the parameter estimates are significant.$ Given the above information,which of the parameter estimates are statistically significant at the 1% significance level?
A)All parameter estimates are statistically significant.
B)All parameter estimates except

\hat { b }

are statistically significant.
C)

\hat { a }

is not statistically significant,but all the rest of the parameter estimates are significant.
D)

\hat { C }

is not statistically significant,but all the rest of the parameter estimates are significant.

Suppose You Are Testing the Statistical Significance (At the 1

Multiple Choice

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