The following table shows the seasonally adjusted unemployment rate in the U.S. in recent years. (a) Find
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The following table shows the seasonally adjusted unemployment rate in the U.S. in recent years.
(a) Find the least squares line through these data, letting x be the number of years since 2000.
(b) Find the correlation coefficient for these data.
(c) Sketch a scatterplot of these data, and include the least squares line in the graph.
Transcribed Image Text:
Year 2010 2011 2012 2013 2014 Unemployment Rate (percent) 9.8 9.1 8.3 8.0 6.6 Year 2015 2016 2017 2018 Unemployment Rate (percent) 5.7 4.9 4.8 4.1
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