Question: Secondhand Smoke Refer to Data Set 9 in Appendix: Data Sets and use the measured serum cotinine levels (in mg/mL) from the three groups of

Secondhand Smoke Refer to Data Set 9 in Appendix: Data Sets and use the measured serum cotinine levels (in mg/mL) from the three groups of subjects (smokers, nonsmokers exposed to tobacco smoke, and nonsmokers not exposed to tobacco smoke). When nicotine is absorbed by the body, cotinine is produced. Use a 0.05 significance level to test the claim that the three samples are from populations with the same mean. What do the results suggest about the effects of secondhand smoke?

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