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) The mean absolute deviation based on a 2-month moving average of March through December is $ (round your response to three decimal places).

) The mean absolute deviation based on a 2-month moving average of March through December is $ (round your response to three decimal places).

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 Price Per Chip Month Price Per Chip $1.90 $2.00 January February $1.61 $1.60 July August September $1.85 $1.65 March $1.85 $1.50 April Мay October $1.88 November $1.50 June $1.95 December $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 1.87 1.92 1.98 1.93 1.75 1.57 1.5 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Apr May Jun Jul Aug Sep Oct Nov Dec Forecast $1.70 1.69 1.78 1.89 1.94 1.93 1.83 1.67 1.55 c) The mean absolute deviation based on a 2-month moving average of March through December is $ (round your response to three decimal places).
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 Price Per Chip Month Price Per Chip $1.90 $2.00 January February $1.61 $1.60 July August September $1.85 $1.65 March $1.85 $1.50 April Мay October $1.88 November $1.50 June $1.95 December $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 1.87 1.92 1.98 1.93 1.75 1.57 1.5 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your responses to two decimal places): Month Apr May Jun Jul Aug Sep Oct Nov Dec Forecast $1.70 1.69 1.78 1.89 1.94 1.93 1.83 1.67 1.55 c) The mean absolute deviation based on a 2-month moving average of March through December is $ (round your response to three decimal places).
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