Using the table “Computer Sales Time Series”, calculate the forecast for compute

Question

Using the table “Computer Sales Time Series”, calculate the forecast for computer sales (in thousands) for Week 13 using a three day weighted moving average. Use a weight of .40 for the most recent observation, .35 for the second most recent, and .25 for the third most recent.
Computer Sales Time Series

Week                               Sales (in thousands)

1                                             2

2                                             4

3                                             5

4                                             3

5                                              6

6                                               7

7                                                5

8                                                8

9                                                 4

10                                               2

11                                                3

12                                                5

Explanation / Answer

This is a simple weighted average nothing more 5*.4+3*.35+.25*2 2+1.05+.5=3.55

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