The U.S. Department of Commerce publishes a series of census documents referred to as Current Industrial Reports.
Question:
The U.S. Department of Commerce publishes a series of census documents referred to as Current Industrial Reports. Included in these documents are the manufacturers' shipments, inventories, and orders over a 5-year period. Displayed here is a portion of these data representing the shipments of chemicals and allied products from January of year 1 through December of year 5.
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Chemicals
and Allied
Products
Time Period ($ billion)
January (year 5) ........28.931
February ...........30.456
March ............32.372
April ..............30.905
May ............30.743
June ............32.794
July .............29.342
August ...........30.765
September ...........31.637
October ............30.206
November ..........30.842
December ..........31.090
Use time-series decomposition methods to develop the seasonal indexes for thesedata.
Step by Step Answer:
Month Chem 12m tot 2yr tot TC SI TCI T Jan1 23701 Feb 24189 Mar 24200 Apr 24971 May 24560 June 24992 28800 July 22566 57565 23985 9408 23872 23917 28765 Aug 24037 57523 23968 10029 24134 23919 28758 S...View the full answer
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
