ar sales for a dealer in Cook County, Illinois, for the past year are shown in the following table, along with mo nal relatives), which are supplied to the dealer by the regional distributor. Units Sold 643 653 Units Sold 767 ath an. ab. ar. pr. ay un. Index 0.70 Month Index 0.90 1.10 Jul. Aug. Sept. oct. 0.80 787 638 0.60 0.94 0.89 1.00 817 1.20 738 817 1.20 743 Nov. 827 1.20 843 Dec. 787 1.25 here for the Excel Data File eseasonalize car sales. (Round your answers to the nearest whole number.)

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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Problem 3-18 (Algo)
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.
Units
Units
Sold
767
787
817
817
Month
Sold
Index
0.70
0.80
Month
Index
0.90
1.10
1.20
Jan.
643
Jul.
Aug.
Sept.
Feb.
653
Mar.
638
0.60
Apr.
May
Jun.
738
0.94
Oct.
1.20
743
843
0.89
Nov.
827
1.20
1.00
Dec.
787
1.25
Click here for the Excel Data File
b. Deseasonalize car sales. (Round your answers to the nearest whole number.)
Month
Deseasonalized
Month
Deseasonalized
Jan.
Jul.
Feb.
Aug.
Mar.
Sep
Apr.
Oc.
May
Jun.
Nov.
Dec.
Transcribed Image Text:Problem 3-18 (Algo) 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. Units Units Sold 767 787 817 817 Month Sold Index 0.70 0.80 Month Index 0.90 1.10 1.20 Jan. 643 Jul. Aug. Sept. Feb. 653 Mar. 638 0.60 Apr. May Jun. 738 0.94 Oct. 1.20 743 843 0.89 Nov. 827 1.20 1.00 Dec. 787 1.25 Click here for the Excel Data File b. Deseasonalize car sales. (Round your answers to the nearest whole number.) Month Deseasonalized Month Deseasonalized Jan. Jul. Feb. Aug. Mar. Sep Apr. Oc. May Jun. Nov. Dec.
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