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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
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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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: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
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
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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