Question: Problem 5: An electrical contractors records during the last five weeks indicate the number of job requests: Week: 1 2 3 4 5 6 7

Problem 5:

An electrical contractors records during the last five weeks indicate the number of job requests:

Week: 1 2 3 4 5 6 7

Requests: 20 22 18 21 22 21 20

1) Predict the number of requests for weeks 6, 7 and 8 using each of these methods:

a. A four-period moving average

b. Exponential smoothing with a smoothing constant of .30. Use 20 for week 5 forecast

2) Which method for forecasting is more accurate?

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