Instruction 13-5
a Microeconomist Wants to Determine How Corporate Sales $\mathrm { R }$

question 82

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.
SUMMARY
Regression Statistics
\begin{tabular} { l r } Multiple $\mathrm { R }$ & $0.830$ \\ \hline Square & $0.689$ \end{tabular}
R Square $\quad 0.689$
Adj. R Square $\quad 0.662$
Std. Error $\quad 17501.643$
Observations 26
ANOVA
$\begin{array} { l l l l l l } & \boldsymbol { d f } & \text { SS } & \text { MS } & \boldsymbol { F } & \text { Siguif } \boldsymbol { F } \\ \text { Regression } & 2 & 15579777040 & 7789888520 & 25.432 & 0.0001 \\ \text { Residual } & 23 & 7045072780 & 306307512 & & \\ \text { Total } & 25 & 22624849820 & & & \end{array}$
$\begin{array} { l l l l l } & \text { Coeff } & \text { StdError } & \boldsymbol { t } \text { Stat } & \boldsymbol { P } \text {-value } \\ \text { Intercept } & 15800.0000 & 6038.2999 & 2.617 & 0.0154 \\ \text { Capital } & 0.1245 & 0.2045 & 0.609 & 0.5485 \\ \text { Wages } & 7.0762 & 1.4729 & 4.804 & 0.0001 \end{array}$ Note: Adj.R Square = Adjusted R Square;Std.Error = Standard Error
-Referring to Instruction 13-5,the observed value of the F statistic is given on the printout as 25.432.What are the degrees of freedom for this F statistic?

• A)2 for the numerator,23 for the denominator.
• B)23 for the numerator,25 for the denominator.
• C)25 for the numerator,2 for the denominator.
• D)2 for the numerator,25 for the denominator.

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Definitions:

Mental Foramen

An opening in the jaw bone through which blood vessels and nerves pass, usually located near the lower premolars.

Ramus

The term ramus typically refers to a branch or a part of a bone that extends out from the main body of the bone, often creating a connection with other structures.

Occipital Condyles

Rounded protuberances found on the occipital bone of the skull that articulate with the first cervical vertebra, allowing for nodding and rotation of the head.

Cervical Vertebra

The vertebrae of the spine found at the neck region, supporting the skull and enabling a wide range of head movement.