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Question
The following trend projection is used to predict quarterly demand: y-hat = 250 - 2.5x, where x = 1 in the first quarter. Seasonal (quarterly) indices are Quarter 1 = 1.5; Quarter 2 = 0.8; Quarter 3 = 1.1; and Quarter 4 = 0.6. What is the seasonally adjusted forecast for the next four quarters?
Answer
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Weight Day
Package 1
Package 2
Package 3
Package 4 Monday
23
22
23
24 Tuesday
23
21
19
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21 Thursday
18
19
20
19 Friday
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20
22
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Answer:
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