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Analysis of Sales for Automotive Parts

In the automotive industry it is often espoused that the month, i.e. season of the year, is a predictor of sales. The following data for total revenue by month was collected for an automotive distributor in the Chicago area.

Month/Year               

Month

Total Revenue ($)

Aug 2000

Sep 2000

Oct 2000

Nov 2000

Dec 2000

Jan 2001

Feb 2001

Mar 2001

Apr 2001

May 2001

Jun 2001

Jul 2001

Aug 2001

Sep 2001

Oct 2001

Nov 2001

Dec 2001

Jan 2002

Feb 2002

Mar 2002

Apr 2002

May 2002

Jun 2002

Jul 2002

Aug 2002

Sep 2002

Oct 2002

Nov 2202

Dec 2002

Jan 2003

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

167,511

153,027

153,523

146,620

151,244

145,446

125,125

159,183

134,250

145,803

162,871

168,451

175,271

137,956

154,435

134,164

134,570

148,649

127,890

141,188

168,631

163,499

167,286

168,977

163,420

141,940

172,276

149,867

131,861

151,062

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© copyright 2003 Elisabeth Schuster