Question

Are cigarettes bad for people? Cigarette smoking involves tar, carbon monoxide, and nicotine (measured in milligrams). The first two are definitely not good for a person's health, and the last ingredient can cause addiction.

Brand	Tar	Nicotine	CO	Brand	Tar	Nicotine	CO
Alpine Benson & Hedges Bull Durham Camel Lights Carlton Chesterfield Golden Lights Kent Kool L&M Lark Lights Marlboro Merit	14.1 16.0 29.8 8.0 4.1 15.0 8.8 12.4 16.6 14.9 13.7 15.1 7.8	0.86 1.06 2.03 0.67 0.40 1.04 0.76 0.95 1.12 1.02 1.01 0.90 0.57	13.6 16.6 23.5 10.2 5.4 15.0 9.0 12.3 16.3 15.4 13.0 14.4 10.0	MultiFilter Newport Lights Now Old Gold Pall Mall Lights Raleigh Salem Ultra Tareyton True Viceroy Rich Light Virginia Slim Winston Lights	11.4 9.0 1.0 17.0 12.8 15.8 4.5 14.5 7.3 8.6 15.2 12.0	0.78 0.74 0.13 1.26 1.08 0.96 0.42 1.01 0.61 0.69 1.02 0.82	10.2 9.5 1.5 18.5 12.6 17.5 4.9 15.9 8.5 10.6 13.9 14.9

Use the data in the table above to make a stem-and-leaf display for milligrams of carbon monoxide per cigarette smoked. (Enter NONE in any unused answer blanks.)

Milligrams of Carbon Monoxide
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23

Answer 1