Excel Online Structured Activity: Weighted Moving Average Forecast

Consider the demand for some product over the last 12 periods. The weights of 0.4, 0.3, 0.2, and 0.1 are assigned to the most recent, second most recent, third most recent, and fourth most recent periods, respectively. The data has been collected in the Microsoft Excel Online file below. Use the Microsoft Excel Online file below to develop the four-period weighted moving average forecast and answer the following questions.

Open spreadsheet

Weighted Moving Average Forecast (4 periods)
						Use the area below to draw a line chart for the four-period weighted moving average.
Description		Weight
Fourth most recent period		0.1
Third most recent period		0.2
Second most recent period		0.3
Most recent period		0.4
Total		1.0
Period	Actual Demand	Forecast		Formulas
1	1,200
2	2,000
3	1,800
4	1,600
5	2,300			#N/A
6	3,600			#N/A
7	3,200			#N/A
8	3,100			#N/A
9	4,300			#N/A
10	4,500			#N/A
11	4,100			#N/A
12	4,700			#N/A
13				#N/A

Question

1. Calculate the forecast for the periods from 5 to 13 using a four-period weighted moving average. Do not round intermediate calculations. Round your answers to the nearest whole number.

Period Forecast

5

6

7

8

9

10

11

12

13