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prices for the chip during the Month January February March April F

prices for the chip during the Month January February March April F

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 Price Per Chip $1.85 February $1.61 March $1.60 April $1.85 May $1.91 June $1.95 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 Forecast $1.73 1.61 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your r Month Apr May Forecast $1.69 1.69 1.79 May Jun Jul 1.73 1.88 1.93 to two dec Jun Month July August September October November December places): Jul 1.90 Price Per Chip $1.90 $1.85 $1.65 $1.50 $1.60 $1.75 Aug Sep Oct Nov Doc 1.93 1.88 1.75 Aug Sep Oct Nov Dec 1.92 1.90 1.80 c) 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 3-month moving average of April 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 January Price Per Chip $1.85 February $1.61 March $1.60 April $1.85 May $1.91 June $1.95 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 Forecast $1.73 1.61 b) Using a 3-month moving average, the forecast for periods 11 and 12 is (round your r Month Apr May Forecast $1.69 1.69 1.79 May Jun Jul 1.73 1.88 1.93 to two dec Jun Month July August September October November December places): Jul 1.90 Price Per Chip $1.90 $1.85 $1.65 $1.50 $1.60 $1.75 Aug Sep Oct Nov Doc 1.93 1.88 1.75 Aug Sep Oct Nov Dec 1.92 1.90 1.80 c) 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 3-month moving average of April through December is $ (round your response to three decimal places)
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