Instruction 13 ANOVA Note: Adj R Square = Adjusted R Square; Std

question 2

Multiple Choice

Instruction 13.5
A microeconomist wants to determine how corporate sales are influenced by capital and wage spending by companies. She proceeds to randomly select 26 large corporations and record information in millions of dollars. The Microsoft Excel output below shows results of this multiple regression.
OUTPUT
SUMMARY
$\begin{array} { l l } \text { Regression Statistics } & \\ \text { Multiple R } & 0.830 \\ \text { R Square } & 0.689 \\ \text { Adj. R Square } & 0.662 \\ \text { Std. Error } & 17501.643 \\ \text { Observations } & 26 \end{array}$

ANOVA
$\begin{array}{llllll} & d f& SS &{ MS } & F & \text{Signif F} \\\text{Regression} & 2 & 15579777040&7789888520 & 25.432 & 0.0001 \\\text{Residual }& 23 & 7045072780&306307512 & & \\\text{Total }& 25 & 22624849820 & &\end{array}$


$\begin{array}{lllll} & \text { Coeff } & \text { StdError } & \text { t Stat } & p \text {-value } \\\text { Intercept } & 15800.0000 & 6038.2999 & 2.617 & 0.0154 \\\text { Capital } & 0.1245 & 0.2045 & 0.609 & 0.5485 \\\text { Wages } & 7.0762 & 1.4729 & 4.804 & 0.0001\end{array}$ Note: Adj. R Square = Adjusted R Square; Std. Error = Standard Error
-Referring to Instruction 13.5,what are the predicted sales (in millions of dollars) for a company spending $100 million on capital and $100 million on wages?

• A) 20,455.98
• B) 17,277.49
• C) 16,520.07
• D) 15,800.00

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