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

question 18

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. The estimated QUARTERLY increase in sales is ______ units,and the estimated ANNUAL increase in sales is ______ units.

• A)1.5; 6
• B)1.4; 4
• C)30; 4
• D)1.5; 40
• E)none of the above

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Definitions:

Checking Accounts

Bank accounts that allow for easy access to funds through checks, debit cards, and electronic transfers, used for daily transactions.

Open Market Operations

Central bank activities involving buying and selling government securities in the marketplace to influence the money supply and interest rates.

Money Supply

The all-inclusive measure of monetary resources present in an economy at a specific juncture.

Interest Rates

The cost of borrowing money or the return for investing, typically expressed as a percentage of the principal, varying over time based on economic conditions.