Assume that the current date is February 1, 2003. The linear regression model was applied to a monthly time series based on the last 24 months' sales (from January 2000 through December 2002). The following partial computer output summarizes the results. Determine the predicted sales for this month.
A) 45.9
B) 42.7
C) 44.3
D) 109.1
E) 113.4

Question

Assume that the current date is February 1, 2003. The linear regression model was applied to a monthly time series based on the last 24 months' sales (from January 2000 through December 2002). The following partial computer output summarizes the results.  Determine the predicted sales for this month.
A) 45.9 
B) 42.7 
C) 44.3 
D) 109.1 
E) 113.4

Quizplus · Accepted Answer

y₂₆ = 4.3 + 1.6(26) = 45.9

Assume That the Current Date Is February 1, 2003