Please answer both questions 1 AND 2( quarterly sales for next year Hudson Marin
ID: 3259364 • Letter: P
Question
Please answer both questions 1 AND 2( quarterly sales for next year
Hudson Marine has been an authorized dealer for C&D; marine radios for the past seven years. Suppose the quarterly sales values for the seven years of historical data follows. Use the following dummy variables to develop an estimated regression equation to account for both season and linear trend effects in the data: Qtr=1 If Quarter 1, 0 otherwise: Qtr2= if Quarter 2, 0 otherwise: and Qtr3=1 If Quarter 3, 0 otherwise. Compute the quarterly forecasts for next year.Explanation / Answer
Answer:
1). Sales = 0.0357+0.9710*period+4.9129*Q1+14.5134*Q2+9.1138*Q3
2).
Predicted sales for Quarter1 ,
Sales = 0.0357+0.9710*29+4.9129*1+14.5134*0+9.1138*0
=33.1076
Predicted sales for Quarter2 ,
Sales = 0.0357+0.9710*30+4.9129*0+14.5134*1+9.1138*0
=43.6791
Predicted sales for Quarter3 ,
Sales = 0.0357+0.9710*31+4.9129*0+14.5134*0+9.1138*1
=39.2505
Predicted sales for Quarter4 ,
Sales = 0.0357+0.9710*32+4.9129*0+14.5134*0+9.1138*0
=31.1077