Question: Use a three-period simple moving average and weighted-moving average and Naive methods to forecast the 8th month. Calculate and compare the MAD for methods. Month

Use a three-period simple moving average and weighted-moving average and Naive methods to forecast the 8th month. Calculate and compare the MAD for methods.

Month

Sales

MA

AD

WMA

AD

Naive

AD

1

20

---

---

---

---

---

---

2

25

---

---

---

---

---

---

3

22

---

---

---

---

---

---

4

26

5

22

6

24

7

26

8

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?

?

AD: Absolute Deviation

MA: Moving Average

WMA: Weighted Moving Average

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