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TABLE 14-7
the Department Head of the Accounting Department Wanted SUMMARY OUTPUT\text {SUMMARY OUTPUT}

question 199

Short Answer

TABLE 14-7
The department head of the accounting department wanted to see if she could predict the GPA of students using the number of course units (credits) and total SAT scores of each. She takes a sample of students and generates the following Microsoft
Excel output:
SUMMARY OUTPUT\text {SUMMARY OUTPUT}
 Regression Statistics  Multiple R 0.916 R Square0.839 Adjusted R Square0.732 Standard Error 0.24685 Observations6\begin{array}{ll}\hline \text { Regression Statistics } \\\hline \text { Multiple R }& 0.916 \\ \text { R Square} & 0.839 \\ \text { Adjusted R Square} & 0.732 \\ \text { Standard Error }& 0.24685 \\ \text { Observations} & 6 \\\hline\end{array}

ANOVA
d f  SS  M S  F Significance F  Regression20.952190.476107.8130.0646Residual30.182810.06094Total51.13500\begin{array}{lccclc}\hline & \text {d f }& \text { SS }& \text { M S } & \text { F } & \text {Significance F } \\\hline \text { Regression} & 2 & 0.95219 & 0.47610 & 7.813 & 0.0646 \\ \text {Residual} & 3 & 0.18281 & 0.06094 & & \\ \text {Total} & 5 & 1.13500 & & & \\\hline\end{array}

Coefficients Standard Errort Stat  p -value Intercept 4.5938971.133745424.0520.0271Units 0.2472700.062684853.9450.0290SAT Total 0.0014430.001012411.4250.2494\begin{array}{lrcrr}\hline & \text {Coefficients }& \text {Standard Error} & \text {t Stat } & \text { p -value} \\\hline \text { Intercept }& 4.593897 & 1.13374542 & 4.052 & 0.0271 \\ \text {Units }& -0.247270 & 0.06268485 & -3.945 & 0.0290 \\ \text {SAT Total }& 0.001443 & 0.00101241 & 1.425 & 0.2494 \\\hline\end{array}

-Referring to Table 14-7, the department head wants to test H0 : ?1 = ?2 = 0. The value of the
F-test statistic is ______.


Definitions:

Short-Term Memory

The capacity for holding a small amount of information in an active, readily available state for a short period of time.

Working Memory

A cognitive system with a limited capacity that is responsible for temporarily holding information available for processing.

Three-Box Model

A model of memory that proposes three stages of memory processing: sensory memory, short-term memory, and long-term memory.

Sensory Register

The component of memory that holds incoming information from the senses for a very short period of time, allowing it to be processed further.

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