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Business Forecasting 9th Edition by John Hanke, Dean Wichern
Edition 9ISBN: 978-0132301206Business Forecasting 9th Edition by John Hanke, Dean Wichern
Edition 9ISBN: 978-0132301206 Exercise 5
RESTAURANT SALES
This case refers to the sales data and situation for the restaurant discussed in Case 8-3. Jim Price has now completed a course in forecasting and is anxious to apply the Box-Jenkins methodology to the restaurant sales data. These data, shown in Table 9-17A, begin with the week ending Sunday, January 4, 1981, and continue through the week ending Sunday, December 26, 1982. Table 9-17B contains new data for the week ending January 2, 1983, through the week ending October 30, 1983.
TABLE 9-17A Restaurant Sales: Old Data
TABLE 9-17A ( Continued )
TABLE 9-17B Restaurant Sales: New Data
Would you use the same Box-Jenkins model if the new data were combined with the old data?
This case refers to the sales data and situation for the restaurant discussed in Case 8-3. Jim Price has now completed a course in forecasting and is anxious to apply the Box-Jenkins methodology to the restaurant sales data. These data, shown in Table 9-17A, begin with the week ending Sunday, January 4, 1981, and continue through the week ending Sunday, December 26, 1982. Table 9-17B contains new data for the week ending January 2, 1983, through the week ending October 30, 1983.
TABLE 9-17A Restaurant Sales: Old Data
TABLE 9-17A ( Continued )
TABLE 9-17B Restaurant Sales: New Data
Would you use the same Box-Jenkins model if the new data were combined with the old data?
Explanation
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Find the appropriate Box-Jenkins model w...
Business Forecasting 9th Edition by John Hanke, Dean Wichern
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