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

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