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Forecast using three day weighted moving average.

1) What is the formula for r2?

2) Daily demand for newspapers for the last 10 days has been as follows: 12,13,16,15,12,18,14,12,13,15 (listed from oldest to most recent). Forecast sales for the next day using a three-day weighted moving average where the weights are 3,1, and 1 ( the highest weight is for the most recent number).

a. 12.8
b. 13.0
c. 70.0
d. 14.0
e. none of these

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