Unemployment The percent of unemployment in the United States for the years 2004–2010 is given by the data in the table below.
a. Create a scatter plot for the data, with x equal to the number of years after 2004.
b. Does it appear that a quadratic model will fit the data? If so, find the best-fitting quadratic model.
c. Does the y-intercept of the function in part (b) have meaning in the context of this problem? If so, interpret the value.
Year | Percent Unemployment | Year | Percent Unemployment |
2004 | 5.4 | 2008 | 7.3 |
2005 | 4.9 | 2009 | 9.9 |
2006 | 4.4 | 2010 | 9.4 |
2007 | 5.0 |
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