A forecaster used the regression equation and quarterly sales data for 1996I-2013IV t = 1,...,64)for an appliance manufacturer to obtain the results shown below.Q is quarterly sales,and and are dummy variables for quarters I,II,and III. Using a 5 percent significance level,these estimation results indicate that sales in
A)the first quarter are greater than sales in any other quarter.
B)the second quarter are greater than sales in any other quarter.
C)the third quarter are greater than sales in any other quarter.
D)the fourth quarter are greater than sales in any other quarter.

Question

A forecaster used the regression equation  and quarterly sales data for 1996I-2013IV t = 1,...,64)for an appliance manufacturer to obtain the results shown below.Q is quarterly sales,and  and  are dummy variables for quarters I,II,and III.  Using a 5 percent significance level,these estimation results indicate that sales in
A)the first quarter are greater than sales in any other quarter. 
B)the second quarter are greater than sales in any other quarter. 
C)the third quarter are greater than sales in any other quarter. 
D)the fourth quarter are greater than sales in any other quarter.

Quizplus · Accepted Answer

The Answer of A forecaster used the regression equation  and quarterly sales data for 1996I-2013IV t = 1,...,64)for an appliance manufacturer to obtain the results shown below.Q is quarterly sales,and  and  are dummy variables for quarters I,II,and III.  Using a 5 percent significance level,these estimation results indicate that sales in
A)the first quarter are greater than sales in any other quarter. 
B)the second quarter are greater than sales in any other quarter. 
C)the third quarter are greater than sales in any other quarter. 
D)the fourth quarter are greater than sales in any other quarter.

A Forecaster Used the Regression Equation and Quarterly Sales