Examlex

Solved

Refer to the Following:
a Forecaster Used the Regression Equation Qt=a+bt+c1D1+c2D2+c3D3Q _ { t } = a + b t + c _ { 1 } D _ { 1 } + c _ { 2 } D _ { 2 } + c _ { 3 } D _ { 3 }

question 48

Multiple Choice

Refer to the following:
A forecaster used the regression equation
Qt=a+bt+c1D1+c2D2+c3D3Q _ { t } = a + b t + c _ { 1 } D _ { 1 } + c _ { 2 } D _ { 2 } + c _ { 3 } D _ { 3 }
and quarterly sales data for 1996I-2013IV (t = 1, ..., 64) for an appliance manufacturer to obtain the results shown below. Q is quarterly sales, and
D1,D2D _ { 1 } , D _ { 2 } and
D3D _ { 3 } are dummy variables for quarters I, II, and III.
 DEPENDENTVARIAELE:  aT  R-SQUARE  F-RATIO  P-VALUE ON F  OESERVATIONS: 64 0.8768 107.9820.0001 PARAMETER  STANDARD  VARIAELE  ESTIMATE  ERROR  T-RATIO  P-VALUE  INTERCEPT 30.012.82.340.0224 T 1.50.702.140.0362 D1 10.03.03.330.0015 D2 25.07.23.470.0010 D3 40.015.82.530.0140\begin{array} { | l l l l l l } \hline \text { DEPENDENTVARIAELE: } & \text { aT } & \text { R-SQUARE } & \text { F-RATIO } & \text { P-VALUE ON F } \\\text { OESERVATIONS: } & 64 & \text { 0.8768 } & 107.982 & 0.0001 & \\& & \text { PARAMETER } & \text { STANDARD } & & \\\text { VARIAELE } & & \text { ESTIMATE } & \text { ERROR } & \text { T-RATIO } & \text { P-VALUE } \\\text { INTERCEPT } & & 30.0 & 12.8 & 2.34 & 0.0224 \\\text { T } & & 1.5 & 0.70 & 2.14 & 0.0362 \\\text { D1 } & & 10.0 & 3.0 & 3.33 & 0.0015 \\\text { D2 } & & 25.0 & 7.2 & 3.47 & 0.0010 \\\text { D3 } & & 40.0 & 15.8 & 2.53 & 0.0140 \\\hline\end{array}
-In any given year, quarterly sales tend to vary as follows:


Definitions:

Psychic Energy

In psychoanalytic theory, the force attributed to the psychological workings of the mind and the driving power behind behavior and thought.

Perceiving

The process of becoming aware of something through the senses, a key element in how individuals understand and navigate their environment.

Forgotten Material

Information or memories that an individual is unable to recall, potentially repressed or lost over time due to various psychological factors.

Collective Unconscious

A concept in Jungian psychology that refers to the part of the unconscious mind which is shared among beings of the same species and contains archetypes.

Related Questions