Question: Question 3 (30 marks): An electrical contractor's records during the last five weeks indicate the number of job requests: Week 1 2 3 4 5

Question 3 (30 marks): An electrical contractor's

Question 3 (30 marks): An electrical contractor's records during the last five weeks indicate the number of job requests: Week 1 2 3 4 5 Requests 20 22 18 21 22 Predict the number of requests for week 6 using each of these methods: a) A four-period moving average (10 marks) b) A four-period weighted moving average and weights of 0.4, 0.3, 0.2, and 0.1. (10 marks) c) Exponential smoothing with a = .30; use 20 for week 2 forecast (10 marks)

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