Legalized gambling is available on several riverboat casinos operated by a city in Mississippi. The mayor of the city wants to know the correlation between the number of casino employees and the yearly crime rate. The records for the past 10 years are examined, and the results listed in Table 11.3 are obtained. Calculate the coefficient of correlation r for the data. Interpret the result.

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Table 11.3 Data on Casino Employees and Crime Rate, Example 11.5 Year 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Number of Casino Employees, x (thousands) 15 18 24 22 25 29 30 32 35 38 Crime Rate, y (number of crimes per 1,000 population) 1.35 1.63 2.33 2.41 2.63 2.93 3.41 3.26 3.63 4.15