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Question
The following table shows the data for the sales of a new music album at a store for 4 consecutive months. Find the forecast for the next month using a 3-month moving average.
| Month | 1 | 2 | 3 | 4 |
| Sales | 112 | 105 | 125 | 118 |
a. The forecast for the next month is more than 90 but less than or equal to 100.
b. The forecast for the next month is more than 100 but less than or equal to 110.
c. The forecast for the next month is more than 110 but less than or equal to 120.
d. The forecast for the next month is more than 120 but less than or equal to 130.
Answer
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