The following data on the number of union members in the United States for the years 1986 through 2021 are provided by the U.S. Bureau of Labor Statistics. Using regression techniques discussed in this section, analyze the data for trend. Develop a scatter plot of the data and fit the trend line through the data. Discuss the strength of the model. Union Members Union Members Year (1,000s) Year (1,000s) 1986 16.975 2004 15,472 1987 16,913 2005 15,685 1988 17,002 2006 15,359 1989 16,960 2007 15,670 1990 16,776 2008 16,098 1991 16,612 2009 15,327 1992 16,418 2010 14,715 1993 16,627 2011 14,764 1994 16,748 2012 14,366 1995 16,360 2013 14,528 1996 16,269 2014 14,576

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