Five Brands of Cigarettes Were Tested for the Amounts of Tar

Essay

Five brands of cigarettes were tested for the amounts of tar and nicotine they contained. All measurements arein milligrams per cigarette. $$\begin{array} { l | c | c } \text { Cigarette } & \text { Tar } & \text { Nicotine } \\\hline \text { Brand A } & 16 & 1.2 \\\text { Brand B } & 13 & 1.1 \\\text { Brand C } & 16 & 1.3 \\\text { Brand D } & 18 & 1.4 \\\text { Brand E } & 6 & 0.6\end{array}$$