Using a 5-month moving average, calculate September sales b. Calculate September sales Using a 3-month weighted moving average (weights are 0.60, 0.30. 0.10). c. Calculatate Exponential Smoothing (assume February sale is 19) sales in September (alpha 0.2, that means 1-0.2 = 0.8) d. Using regression analysis, what is Y (September sales) if X is 8? (use data> data analysis button> regression)
Using a 5-month moving average, calculate September sales b. Calculate September sales Using a 3-month weighted moving average (weights are 0.60, 0.30. 0.10). c. Calculatate Exponential Smoothing (assume February sale is 19) sales in September (alpha 0.2, that means 1-0.2 = 0.8) d. Using regression analysis, what is Y (September sales) if X is 8? (use data> data analysis button> regression)
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question 1
| X | Month | Sales (y) (000 units) |
| 1 | Feb. | 19 |
| 2 | Mar. | 18 |
| 3 | Apr. | 15 |
| 4 | May | 20 |
| 5 | Jun. | 18 |
| 6 | Jul. | 22 |
| 7 | Aug. | 20 |
| 8 | Sep |
a. Using a 5-month moving average, calculate September sales
b. Calculate September sales Using a 3-month weighted moving average (weights are 0.60, 0.30. 0.10).
c. Calculatate Exponential Smoothing (assume February sale is 19) sales in September (alpha 0.2, that means 1-0.2 = 0.8)
d. Using regression analysis, what is Y (September sales) if X is 8? (use data> data analysis button> regression)
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