A Consulting Firm Estimates the Following Quarterly Sales Forecasting Model $Q _ { t } = a + b t + c D$

question 58

Multiple Choice

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 20010I-2020III (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: Give the above,at the 1 percent level of significance,is there a statistically significant trend in sales?

• A)No,since 1.86 < 2.704
• B)No,since 0.55 < 1.86
• C)No,since 1.02 < 2.704
• D)Yes,since 1.86 > 0.55
• E)Yes,since 3.38 > 2.704

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