Question 1: This question is worth 10 points

A contractor's records during the least five weeks indicate the number of job requests:

Week

1

2

3

4

5

Request

21

24

25

22

14

Predict the number of requests for week 4, week 5, week 6 using each of the following methods:

1) Nave approach

2) 3 - period moving average

3) 4-period moving average

4) Weighted moving average using 0.60, 0.30 and 0.10 assuming highest weight to the most recent week

5) Exponential smoothing with = 0.30; use 22 for week 2 forecast.