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
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?
Step by Step Solution
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To forecast the sales for Week 33 using the threeperiod weighted moving av...
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Income Tax Fundamentals 2013
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
31st Edition
1111972516, 978-1285586618, 1285586611, 978-1285613109, 978-1111972516
