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
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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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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