Exhibit 11.10 The Following Questions Use the Data Below

Multiple Choice

Exhibit 11.10
The following questions use the data below.
Joe's Sporting Goods wants to forecast quarterly sales figures using a quadratic trend model. The store has collected 12 quarters of data and needs your help to analyze the data. The relevant regression output is in the following table.
-Refer to Exhibit 11.10. How is a quadratic term added to the problem if we want to develop a quadratic trend model?

A) Add a column containing Time².
B) Add a column containing Actual Sales².
C) Increase the Input X Range in the Regression command settings dialog box.
D) Square the coefficient for Time in the regression model.