) 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).
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Chapter2: Introduction To Spreadsheet Modeling
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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).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F60ae2238-d375-4701-9aec-2226c586eada%2Fe671a7a8-11bf-48c0-a34a-fa3ac4e0f99e%2Fqpaaalr_processed.png&w=3840&q=75)
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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