Consider the following time series data. Quarter 1 4 R (17 Year 1 4 2 3 5 Year 2 6 6557 3 Year 3 7 6 6 8
Consider the following time series data. Quarter 1 4 R (17 Year 1 4 2 3 5 Year 2 6 6557 3 Year 3 7 6 6 8
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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Transcribed Image Text:Topic 2 - Time Series Analysis and F
Problem 6-25
eBook
Quarter
=234
Consider the following time series datą.
고
numurus
RANVERAR
Meno:aldummodo
Year 1
-
2
3
5
Year 2
6
5
7
Year 3
7
6

Transcribed Image Text:Horizontal Pattern with Seasonality
b. Use a multiple regression model with dummy variables as follows to develop an equation to account for seasonal effects in the data. Qtr1-1 if Quarter 1, 0 otherwise; Qtr2 - 1 if Quarter 2, 0 otherwise; Qtr3 - 1 if Quarter 3, 0 otherwise. If required, round your answers to three decimal places for subtractive
negative numbers use a minus sign even if there is a + sign before the blank. (Example: -300)
Value-
Qtri +
Qtr2+
Qtr3 +
c. Compute the quarterly forecasts for next year.
f required, round your answers to two decimal places.
Quarter 1 forecast -
+
Quarter 2 forecast -
Quarter 3 forecast -
Quarter 4 forecast
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