An electrical contractor's records during the last five weeks indicate the number of job requests: Week 1 2 3 4 5 Requests 21 22 18 21 22 Predict the number of requests for week 6 using each of these methods: Naive A three period moving average Weighted moving average using 0.50 for week 5, 0.35 for week 4, and 0.15 for week 3. Exponential smoothing with α = .30. Use 20 for week 2 forecast.
An electrical contractor's records during the last five weeks indicate the number of job requests: Week 1 2 3 4 5 Requests 21 22 18 21 22 Predict the number of requests for week 6 using each of these methods: Naive A three period moving average Weighted moving average using 0.50 for week 5, 0.35 for week 4, and 0.15 for week 3. Exponential smoothing with α = .30. Use 20 for week 2 forecast.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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PLEASE SHOW WORK SO I CAN UNDERSTAND.
An electrical contractor's records during the last five weeks indicate the number of job requests:
|
Week |
1 |
2 |
3 |
4 |
5 |
|
Requests |
21 |
22 |
18 |
21 |
22 |
Predict the number of requests for week 6 using each of these methods:
- Naive
- A three period moving average
- Weighted moving average using 0.50 for week 5, 0.35 for week 4, and 0.15 for week 3.
- Exponential smoothing with α = .30. Use 20 for week 2 forecast.
Expert Solution
Step 1
The question is about forecasting
Given :
To find :
Predict no. of req. for week 6 using
1 ) Naive
2 ) 3 period mov. avg.
3 ) weighted mov. avg.
4 ) exp. smoothing
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