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Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 12 months were as follows: Month January February March April May June Price Per Chip $1.90 $1.61 $1.60 $1.85 $1.90 $1.95 Month July August September October November December Price Per Chip $2.00 $1.85 $1.70 $1.55 $1.50 $1.75 This exercise contains only parts a, b, and c. a) Using a 2-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Mar Apr May Jun Jul Aug Sep Oct Nov Dec Forecast $1.76 1.61 1.73 1.88 1.93 1.98 1.93 1.78

Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 12 months were as follows: Month January February March April May June Price Per Chip $1.90 $1.61 $1.60 $1.85 $1.90 $1.95 Month July August September October November December Price Per Chip $2.00 $1.85 $1.70 $1.55 $1.50 $1.75 This exercise contains only parts a, b, and c. a) Using a 2-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Mar Apr May Jun Jul Aug Sep Oct Nov Dec Forecast $1.76 1.61 1.73 1.88 1.93 1.98 1.93 1.78

Practical Management Science
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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Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 12 months were as follows: Month January February March April May June Price Per Chip $1.90 $1.61 $1.60 $1.85 $1.90 $1.95 Month Mar Apr May Forecast $1.76 1.61 1.73 Month July August Jun 1.88 September October November December This exercise contains only parts a, b, and c. a) Using a 2-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Price Per Chip $2.00 $1.85 $1.70 $1.55 $1.50 $1.75 Jul Aug Sep Oct Nov Dec 1.93 1.98 1.93 1.78
Transcribed Image Text:Lenovo uses the ZX-81 chip in some of its laptop computers. The prices for the chip during the last 12 months were as follows: Month January February March April May June Price Per Chip $1.90 $1.61 $1.60 $1.85 $1.90 $1.95 Month Mar Apr May Forecast $1.76 1.61 1.73 Month July August Jun 1.88 September October November December This exercise contains only parts a, b, and c. a) Using a 2-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Price Per Chip $2.00 $1.85 $1.70 $1.55 $1.50 $1.75 Jul Aug Sep Oct Nov Dec 1.93 1.98 1.93 1.78
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The mean absolute deviation based on a​ 2-month moving average of March through December is

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