1 Cigarette Tar and Nicotine The table below lists measured amounts mg of tar carbon monoxide CO and nicotine in king size cigarettes of different brands from Data Set 13 Cigarette Contents in Appendix B a Is there sufficient evidence to support a claim of linear correlation between tar and nicotine Tar CO omg I nicotine 25 18 27 16 20 16 24 16 20 16 20 16 NX 21 14 24