The data below provides weekly sales for the past 12 weeks (weeks 21-32). Week Sales 21 4,000
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Question:
The data below provides weekly sales for the past 12 weeks (weeks 21-32).
Week | Sales |
21 | 4,000 |
22 | 3,655 |
23 | 3,958 |
24 | 3,983 |
25 | 4,538 |
26 | 4,120 |
27 | 4,692 |
28 | 4,421 |
29 | 4,859 |
30 | 5,030 |
31 | 5,540 |
32 | 5,670 |
Use a three period weighted moving average with weights of 0.5, 0.3 and 0.2 to forecast the week 33 sales.
For this data, what is the linear regression equation for forecasting, and what is the associated R2 value?
Equation:
R² =
What is the linear regression forecast for week 36?
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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