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Volume 8: No. 1, January 2011
LETTER
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| Quarter/Year | Sales in Millions, $ | Linear | Quadratic |
|---|---|---|---|
| 1/02 | 96.5 | 89.2 | 101.0 |
| 2/02 | 98.7 | 90.0 | 98.8 |
| 3/02 | 99.7 | 90.8 | 96.7 |
| 4/02 | 95.1 | 91.6 | 95.0 |
| 1/03 | 91.1 | 92.4 | 93.6 |
| 2/03 | 91.9 | 93.3 | 92.5 |
| 3/03 | 93.3 | 94.1 | 91.6 |
| 4/03 | 92.6 | 94.9 | 91.0 |
| 1/04 | 90.0 | 95.7 | 90.7 |
| 2/04 | 92.2 | 96.5 | 90.7 |
| 3/04 | 97.1 | 97.3 | 90.9 |
| 4/04 | 93.4 | 98.2 | 91.5 |
| 1/05 | 91.5 | 99.0 | 92.3 |
| 2/05 | 96.6 | 99.8 | 93.4 |
| 3/05 | 99.3 | 100.6 | 94.8 |
| 4/05 | 96.9 | 101.4 | 96.4 |
| 1/06 | 91.8 | 102.2 | 98.4 |
| 2/06 | 96.3 | 103.1 | 100.6 |
| 3/06 | 99.4 | 103.9 | 103.1 |
| 4/06 | 97.6 | 104.7 | 105.9 |
| 1/07 | 100.3 | 105.5 | 108.9 |
| 2/07 | 114.1 | 106.3 | 112.3 |
| 3/07 | 126.0 | 107.1 | 115.9 |
| 4/07 | 124.2 | 108.0 | 119.8 |
Figure. Comparison of regression fit to taxable retail sales in bars and taverns in Washington State after the implementation of a smoke-free law, from the first quarter of 2002 (1/02) through the fourth quarter of 2007 (4/07). Values are adjusted for inflation to the Consumer Price Index (www.bls.gov/cpi/). The figure displays 2 regression equations for the quadratic fitting (y = 0.1405x2 − 2.4969x + 103.58, R2 = 0.7811) and the linear fitting (y = 0.8166x + 88.359, R2 = 0.367) .
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The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.
Privacy Policy | Accessibility This page last reviewed October 25, 2011
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