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In general, the constant that produces the smallest sum of squared deviations is always the sample average.​

A) True
B) False

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What does the equation What does the equation   denote if the regression equation is   ? A) The explained sum of squares B) The total sum of squares C)  The sample regression function D)  The population regression function denote if the regression equation is What does the equation   denote if the regression equation is   ? A) The explained sum of squares B) The total sum of squares C)  The sample regression function D)  The population regression function ?


A) The explained sum of squares
B) The total sum of squares
C) The sample regression function
D) The population regression function

E) B) and D)
F) None of the above

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In a regression equation, changing the units of measurement of only the independent variable does not affect the _____.


A) ​dependent variable
B) ​slope
C) ​intercept
D) ​error term

E) A) and B)
F) C) and D)

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In the equation In the equation   , what is the estimated value of   ? A)    B)    C)    D)   , what is the estimated value of In the equation   , what is the estimated value of   ? A)    B)    C)    D)   ?


A) In the equation   , what is the estimated value of   ? A)    B)    C)    D)
B) In the equation   , what is the estimated value of   ? A)    B)    C)    D)
C)
In the equation   , what is the estimated value of   ? A)    B)    C)    D)
D)
In the equation   , what is the estimated value of   ? A)    B)    C)    D)

E) A) and D)
F) B) and C)

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The error term in a regression equation is said to exhibit homoskedasticty if _____.


A) it has zero conditional mean
B) it has the same variance for all values of the explanatory variable
C) it has the same value for all values of the explanatory variable
D) if the error term has a value of one given any value of the explanatory variable

E) B) and D)
F) All of the above

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