Long description
A table of payroll and number of workers compensation claims by year has the following values.
| Year | Payroll in thousands of dollars | Workers compensation claims |
|---|---|---|
| 2001 | 400 | 18 |
| 2002 | 520 | 26 |
| 2003 | 710 | 48 |
| 2004 | 840 | 96 |
| 2005 | 1,200 | 110 |
| 2006 | 1,500 | 150 |
| 2007 | 1,630 | 228 |
| 2008 | 1,980 | 250 |
| 2009 | 2,300 | 260 |
| 2010 | 2,900 | 300 |
| 2011 | 3,400 | 325 |
| 2012 | 4,000 | 412 |
The regression results: Y equals negative 6.1413 plus 0.1074 X, R squared equals 0.9519. Predicted number of claims next year, if the payroll is 4.8 million dollars: y equals negative 6.1413 plus (0.1074 times 4,800), y equals 509.38. The graph of claims by payroll in millions of dollars rises from left to right.
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