Are cigarettes bad for people? Cigarette smoking involves tar, carbon monoxide, and nicotine (measured in milligrams). The first tw are definitely not good for a person's health, and the last ingredient can cause addiction. Brand Tar Nicotine Brand Tar Nicotine Co Brand A 14.2 0.96 13.5 Brand N 11.3 0.88 10.1 Brand B 16.1 1.26 16.7 Brand O 9.2 0.84 9.4 Brand C 29.7 2.23 23.4 Brand P 1.2 0.13 1.6. Brand D 8.1 0.57 10.3 Brand Q 17.2 1.36 18.4 Brand E 4.0 0.20 5.5 Brand R 12.9 1.18 12.5 Brand F 14.9 1.04 14.9 Brand S 15.9 0.76 17.6 Brand G 8.9 0.86 9.1 Brand T 4.6 0.22 4.8 Brand H 12.5 1.05 12.4 Brand U 14.6 0.91 16.0 Brand I 16.5 1.02 16.2 Brand V 7.2 0.71 8.4 Brand J 15.0 0.92 15.3 Brand W 8.7 0.79 10.7 Brand K 13.6 0.91 12.9 Brand X 15.3 1.22 13.8 Brand L 15.2 0.80 14.3 Brand Y 11.9. 0.92 15.0 Brand M 7.9 0.47 9.9 Use the data in the table above to make a stem-and-leaf display for milligrams of tar per cigarette smoked. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) stem 1 2 3 4 6 7 8 9 10 11 12 13 14 15 16 17 leaf