A consulting firm estimates the following quarterly sales forecasting model: The equation is estimated using quarterly data from 2005I-2015III 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?

Question

A consulting firm estimates the following quarterly sales forecasting model:

The equation is estimated using quarterly data from 2005I-2015III 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?

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The Answer of A consulting firm estimates the following quarterly sales forecasting model: The equation is estimated using quarterly data from 2005I-2015III 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

A Consulting Firm Estimates the Following Quarterly Sales Forecasting Model