A retailer is looking at the number of on-line orders for one particular product. Over the last 8 weeks the sales have been as follows: WEEK SALES 1 657 2 563 3 691 4 431 5 576 6 529 7 627 8 486 Use exponential smoothing and a = 0.4 to forecast the data. What is the forecast for week 9? Provide your answer to the nearest 2 decimal places.

MATLAB: An Introduction with Applications
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A retailer is looking at the number of on-line orders for one particular product. Over the last 8 weeks the sales have been as follows:
WEEK
SALES
1
657
2
563
3
691
4
431
576
6
529
7
627
8
486
Use exponential smoothing and a = 0.4 to forecast the data. What is the forecast for week 9? Provide your answer to the nearest 2 decimal places.
Transcribed Image Text:A retailer is looking at the number of on-line orders for one particular product. Over the last 8 weeks the sales have been as follows: WEEK SALES 1 657 2 563 3 691 4 431 576 6 529 7 627 8 486 Use exponential smoothing and a = 0.4 to forecast the data. What is the forecast for week 9? Provide your answer to the nearest 2 decimal places.
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