29% D Sun 1 View History Bookmarks Window Help Chris Mazza 3/25/18 11:59 AM ANAG

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29% D Sun 1 View History Bookmarks Window Help Chris Mazza 3/25/18 11:59 AM ANAGEMENT OF OPERATIONS (1) omework: Homework 4 ore: 0 of 1 pt roblem 4.2a - Bookmatch The following table shows the actual demand observed over the last 11 years: Sav 20f 102 complete) HW Score: 1.67%, 0, 1 7 of 10 Question Help 2 3 5 78910 11 Demand9913 12 13911 7 This exercise contains only parts b, a, and d b) Using the 3-year moving average, provide the forecast from periods 4 through 12 (round your responses to one decimal place) 4567 8 10 11 12 weights Q.10, 0.30, and 0 80, using 0 60 for the most recent period, provide the forecast from periods 4 through 12 c) Using the 3-year weighted moving average with fround your responses to one decimal place). Forecast Enter your answer in the edit fieids and then click Check Answer Clear All Similarty other year foreast has been calculated above 5 7 8

Explanation / Answer

Following is the formula for Forecast value using 3 year weighted moving average method

Ft = 0.60 x Dt-1 + 0.3 x Dt-2 + 0.1 x Dt-3

Ft = Forecast for period t

Dt-1, Dt-2 , Dt-3 = Demand for period t-1 , t-2 and t-3 respectively

Following table illustrates forecast values for all the periods calculated based on above formula :

Year

Demand

Forecast

1

7

2

9

3

5

4

9

6.4

5

13

7.8

6

8

11

7

12

9.6

8

13

10.9

9

9

12.2

10

11

10.5

11

7

10.6

12

8.4

Year

Demand

Forecast

1

7

2

9

3

5

4

9

6.4

5

13

7.8

6

8

11

7

12

9.6

8

13

10.9

9

9

12.2

10

11

10.5

11

7

10.6

12

8.4

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