The manager of the Carptet City Outlet needs to make an accurate forecast of the demand for Soft Shag carpet (its biggest seller). If the manager does not order enough carpet from the carpet mill, customers will buy their carpet from one of Carpet City's

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Forecasting
The manager of the Carptet City Outlet needs to make an accurate forecast of the demand for Soft Shag carpet (its biggest seller).
If the manager does not order enough carpet from the carpet mill, customers will buy their carpet from one of Carpet City's many
competitors. The manager has collected the following demand data for the past 8 months:

Demand for Soft Shag
Carpet (1,000 yd.)

Month
1
2
3
4
5
6
7
8

8
12
7
9
15
11
10
12

a. Compute a 3-month moving average forecast for months 4 through 9.

Demand for Soft Shag
Carpet (1,000 yd.)

Month
1
2
3
4
5
6
7
8

8
12
7
9
15
11
10
12