Question: Tar in Cigarettes

Refer to Data Set 4 Appendix B and use the amounts of tar mg per cigarette in the three categories of cigarettes described in Exercise 11. Use a 0.05 significance level to test the claim that the three categories of cigarettes yield the same median amount of tar. Given that only the king size cigarettes are not filtered, do the filters appear to make a difference?

Nicotine in Cigarettes Refer to Data Set 4 Appendix B and use the amounts of nicotine mg per cigarette in the king size cigarettes, the 100mm menthol cigarettes, and the 100mm nonmenthol cigarettes. The king size cigarettes are nonfiltered, nonmenthol, and non-light. The 100 mm menthol cigarettes are filtered and non-light. Use a 0.05 significance level to test the claim that the three categories of cigarettes yield the same median amount of nicotine. Given that only the king size cigarettes are not filtered, do the filters appear to make a difference?