Based on quarterly data collected over the last five years,the following regression equation was found to forecast the quarterly demand for the number of new copies of a business statistics textbook: 
= 2,298 - 6635Qtr1 - 1,446Qtr2 + 303Qtr3 + 26t,where Qtr1,Qtr2,and Qtr3 are dummy variables corresponding to Quarters 1,,2 and 3,and t = time period. For a given year,the demand in Quarter 4 is on average ___________.
Definitions:
Q9: Households are vital to the circular flow
Q44: To examine the differences between salaries of
Q45: The following table shows the annual revenues
Q48: For the Wald-Wolfowitz runs test with the
Q62: Costco sells paperback books in their retail
Q94: Refer to the portion of regression results
Q105: To examine the differences between salaries of
Q110: It is believed that the sales volume
Q119: Economic analysis requires us to combine:<br>A) unlimited
Q123: The accompanying table shows the regression results