Exhibit 15-1

Multiple Choice

Exhibit 15-1.An marketing analyst wants to examine the relationship between sales (in $1,000s) and advertising (in $100s) for firms in the food and beverage industry and so collects monthly data for 25 firms.He estimates the model .The following table shows a portion of the regression results. Refer to Exhibit 15-1.When testing whether the slope coefficient differs from 3,the critical values at the 5% significance level are -2.069 and 2.069.The conclusion to the test is to

A) Reject H₀;the slope coefficient differs from 3.
B) Not reject H₀;the slope coefficient differs from 3.
C) Reject H₀;the slope coefficient does not differ from 3.
D) Not reject H₀;the slope coefficient does not differ from 3.