Natalie McKinney RES342 Week 5 Individual 7/18/2012 election: Ch. 1214 of Applied Statistics in Business and economics Prepare answers to the following(a) assignments: Exercise 14.6 - Time Series Analysis granted the following data on Asian and European impart by of U.S. Light truck Sales(1990-2003): Year| t| Percent| 1990| 1| 16.4| 1991| 2| 17.1| 1992| 3| 14.3| 1993| 4| 13.7| 1994| 5| 14.2| 1995| 6| 13.6| 1996| 7| 13.6| 1997| 8| 15.4| 1998| 9| 16.2| 1999| 10| 18.4| 2000| 11| 21.2| 2001| 12| 23.1| 2002| 13| 23.9| 2003| 14| 26.6| character: Detroit Free Press, November 19, 2003. p.1A. * (a) Plot the market-share data. [Enter the data in Excel, highlight percentage column, click Insert menu, choose smear chart, select Line with Markers] Year | Period (x)| Percent ploughshare (y)| | | | | | 1990| 0| 16.4| | (a and c) disperse Plot and Trends| 1991| 1| 17.1| | | | | | 1992| 2| 14.3| | | | | | 1993| 3| 13.7| | | | | | 1994| 4| 14.2| | | | | | 1995| 5| 13.6| | | | | | 1996| 6| 13.6| | | | | | 1997| 7| 15.4| | | | | | 1998| 8| 16.2| | | | | | 1999| 9| 18.4| | | | | | 2000| 10| 21.
2| | | | | | 2001| 11| 23.1| | | | | | 2002| 12| 23.9| | | | | | 2003| 13| 26.6| | | | | | | | | | | | | | | | | | | | | | (B) pass the dash (if any) and discuss doable causes. Trend-: The general smooth presbyopic run tendency is called drive up ward course of action-:If dress up serial publication values increases the trend value also increses atomic reactor ward trend -: if time series values dercreases the trend value also decreases fixed trend -:If the time series values cha nges the trend will not change ! (b) check over three trends (linear, exponential, quadratic/polynomial). y=ax+b is verbalize to linear trend y= is exponential form y=ax^2+bx+c is the quadratic form...If you hope to get a full essay, order it on our website: OrderEssay.net
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