Refer to the Following:
a Consulting Firm Estimates the Following $Q _ { t } = a + b t + c D$

question 64

Multiple Choice

Refer to the following:
A consulting firm estimates the following quarterly sales forecasting model:
$Q _ { t } = a + b t + c D$
The equation is estimated using quarterly data from 2003I-2013III (t = 1,..., 43) . The variable D is a dummy variable for the second quarter where:
D = 1 in the second quarter, and 0 otherwise.
The results of the estimation are:
$\begin{array}{rllll}\text { DEPENDENT VARIABLE: } & \text { QT } & \text { R-SQUARE } & \text { F-RATIO } & \text { P-VALUE ONF } \\\text { OBSERVATIONS: } & 43 & 0.8644 & 127.5 & 0.0001\\\\\text { VARIABLE } & \text { PARAMETER } & \text { STANDARD } & \\&\text { ESTIMATE } & \text { ERROR } & \text { T-RATIO } & \text { P-VALUE } \\\text { INTERCEPT } & 22.5 & 9.32 & 2.41 & 0.0201 \\\text { T } & 1.86 & 0.55 & 3.38 & 0.0016 \\\text { D } & 2.0 & 0.71 & 2.82 & 0.0075\end{array}$
-At the 1 percent level of significance, is there a statistically significant trend in sales?

• A) Yes, because 0.0016 < 0.01.
• B) No, because 0.0016 < 0.01.
• C) Yes, because 0.55 > 0.01.
• D) Yes, because 1.86 > 0.01.
• E) both c and d

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Definitions:

Personal Disposition

An individual's inherent qualities of mind and character.

Social Situation

any scenario in which individuals interact with each other, involving the exchange of information or communication.

Friendly

Characterized by kindness, warmth, and approachability; displaying amicable behavior towards others.

Cognitive Dissonance Theory

A theory suggesting that inconsistency among beliefs, attitudes, and behaviors causes discomfort, leading individuals to adjust them to reduce the discomfort.