4. You are given the data in the following table for tablets sold over the past

Question

4. You are given the data in the following table for tablets sold over the past 16 quarters.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

15 18 19 22 24 20 18 16 15 17 19 24 27 28 30 34 a. Calculate a 4 term moving average and enter it in the table. b. ________________ You will note in the table a decline in sales from qtr 6 through 9. This decline likely due to a change in (Trend, cyclical, or seasonal) variation. c. ___________ Identify the id associated with a swing point in the original data (not your MA). d. ______________________________, ____________________________ Moving averages are used to determine a number of things. Identify two and enter above

Explanation / Answer

A.

18.5

29.75

B.

16.625

C.

A.

18.5

20.75 21.25 21 19.5 17.25 16.5 16.75 18.75 21.75 24.5 27.25

29.75

B.

20.25 18.375 16.875

16.625

C.

6 7 8 9 D.20.25,16.875

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