a. Construct two exponentially smoothed series for this time series, using w = .1 and w = 9. b. Plot the original series and the two smoothed series on the same graph. Which smoothed series looks more like the original series? Why? 14/21 OPEC crude oil imports. The data in the table below are the amounts of crude oil (millions of barrels) im- OPEC ported into the United States from the Organization of Petroleum Exporting Countries (OPEC) for the years 1990-2010. Year 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 t 1 2003 2004 SHERISCONOUAWN. 2 3 5 6 7 8 9 10 11 Imports, Y₂ 1,283 1,233 1,247 1,339 1,307 1,219 1,258 1,378 1,522 1,543 1,659 1,770 1,490 12 13 14 15 2005 16 2006 17 2007 18 1,969 2008 19 1,984 2009 20 1,594 2010 21 1,654 Source: United States Census Bureau. 1,671 1,948 1,738 1,745

a. Construct two exponentially smoothed series for this time series, using w = .1 and w = 9. b. Plot the original series and the two smoothed series on the same graph. Which smoothed series looks more like the original series? Why? 14/21 OPEC crude oil imports. The data in the table below are the amounts of crude oil (millions of barrels) im- OPEC ported into the United States from the Organization of Petroleum Exporting Countries (OPEC) for the years 1990-2010. Year 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 t 1 2003 2004 SHERISCONOUAWN. 2 3 5 6 7 8 9 10 11 Imports, Y₂ 1,283 1,233 1,247 1,339 1,307 1,219 1,258 1,378 1,522 1,543 1,659 1,770 1,490 12 13 14 15 2005 16 2006 17 2007 18 1,969 2008 19 1,984 2009 20 1,594 2010 21 1,654 Source: United States Census Bureau. 1,671 1,948 1,738 1,745

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 13PPS

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