Use the table "Food and Beverage Sales for Luigi's Italian Restaurant" to answer the questions below.
|
Food and Beverage Sales for Luigi's Italian Restaurant
($000s)
|
|
Month
|
First Year
|
Second Year
|
|
January
|
218
|
237
|
|
February
|
212
|
215
|
|
March
|
209
|
223
|
|
April
|
251
|
174
|
|
May
|
256
|
174
|
|
June
|
216
|
135
|
|
July
|
131
|
142
|
|
August
|
137
|
145
|
|
September
|
99
|
110
|
|
October
|
117
|
117
|
|
November
|
137
|
151
|
|
December
|
213
|
208
|
Part (a): Calculate the regression line and forecast sales for February of Year 3.
Part (b): Calculate the seasonal forecast of sales for February of Year 3.
Part (c): Which forecast do you think is most accurate and why?