Euro Rail ridership during the summer months is believed to be closely related to the number of tourists visiting Europe. The following table shows the data on number of tourists and Euro Rail ridership for the past 15 years:

1. Develop a linear regression equation for Euro Rail ridership as a function of the average number of tourists visiting Europe.

2. Forecast Euro Rail ridership if the average number of tourists visiting Europe is 19.2 million.

3. Evaluate the €œgoodness of fit€ of the regression equation by computing the values of R², r, and s_yx and interpret the results.

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Euro Rail Ridership (in millions) Year Number of Tourists (in millions) 2000 2.3 2001 4 1.9 2002 1.7 2003 1.8 2004 12 2.8 2005 13 2.9 2006 14 2.4 2007 20 4.8 2008 1.3 2009 1.1 2010 1.9 2011 11 2.1 2012 16 3.3 2013 14 2.8 18 3.6 2014 3.2 2015 17