A Forecaster Used the Regression Equation $Q _ { t } = a + b t + c _ { 1 } D _ { 1 } + c _ { 2 } D _ { 2 } + c _ { 3 } D _ { 3 }$

question 62

Multiple Choice

A forecaster used the regression equation $Q _ { t } = a + b t + c _ { 1 } D _ { 1 } + c _ { 2 } D _ { 2 } + c _ { 3 } D _ { 3 }$ and quarterly sales data for 2004I-2021IV (t = 1,...,64) for an appliance manufacturer to obtain the results shown below.Q is quarterly sales,and $D _ { 1 } , D _ { 2 }$ and $D _ { 3 }$ are dummy variables for quarters I,II,and III. Using the estimation results given above,the predicted level of sales in 2022II is _______ units.

• A)127.5
• B)137.5
• C)154
• D)155.5
• E)none of the above

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Definitions:

Avoider

Someone who would rather not be around conflict at all and values neutrality highly.

Win-Lose Approach

A competitive strategy or mindset where success is achieved at the expense of others, focusing on one's own gain without regard for collective outcomes.

Neutrality

The state of not supporting or helping either side in a conflict or disagreement; impartiality.

Passive Person

An individual who tends to accept or allow what happens or what others do without active response or resistance.