Economics 2261A/B Lecture 14: Mar 1
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2 Mar 2017
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Problem 3-17
New car sales for a dealer in Cook County, Illinois, for the past year are shown in the following table, along with monthly indexes (seasonal relatives), which are supplied to the dealer by the regional distributor. |
Month | Units Sold | Index | Month | Units Sold | Index |
Jan. | 635 | 0.70 | Jul. | 795 | 0.90 |
Feb. | 648 | 0.80 | Aug. | 814 | 1.10 |
Mar. | 621 | 0.60 | Sept. | 844 | 1.20 |
Apr. | 733 | 0.94 | Oct. | 825 | 1.20 |
May | 728 | 0.89 | Nov. | 847 | 1.20 |
Jun. | 831 | 1.00 | Dec. | 780 | 1.25 |
b. | Deseasonalize car sales. (Round your answers to the nearest whole number.) |
Month | Deseasonalized | Month | Deseasonalized |
Jan. | Jul. | ||
Feb. | Aug. | ||
Mar. | Sep. | ||
Apr. | Oct. | ||
May | Nov. | ||
Jun. | Dec. | ||
e. | What action might management consider based on your findings in part b? | ||||||||
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