Assignment:
Q: An electrical contractor's records during the last five weeks indicate the number of job requests:
Week: 1 2 3 4 5
Requests: 23 25 21 24 25
Predict the number of requests for week 6 using each of these methods:
a. Naive.
b. A four-period moving average.
c. Exponential smoothing with a = .30. Use 23 for week 2 forecast.