4. An electrical contractor's records during the last five weeks indicate the number of job requests: 3 18 Week Requests 1 20 2 22 4 21 5 22 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 20 for week 2 forecast

4. An electrical contractor's records during the last five weeks indicate the number of job requests: 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 =.30; use 20 for week 2 forecast