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As such, the R-square from such a regression would be fairly close to one.[*] However, if smuggling is a prominent feature of the cigarette market, such a nave model will fail to explain a much larger percentage of the variation in per-adult sales, resulting in large residuals (in magnitude)
These simple steps can help you prevent further brain damage by eliminating the excess gaming caused by cigarette use
Between 1983 and 2004 in particular, cigarette consumption per capita fell by half, a drop driven not just by quitters but also by a decline in the number of cigarettes smoked per day among those who smoke. And that trend continued in the following decade
In some places, pack sizes are regulated by government laws and tobacco policies
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