Question: 22. Appendix B Data Set: Tobacco and Alcohol in Childrens Movies Refer to Data Set 5 in Appendix B. Use the paired data consisting of

22. Appendix B Data Set: Tobacco and Alcohol in Children’s Movies Refer to Data Set 5 in Appendix B. Use the paired data consisting of times that the movies showed tobacco use and the times that they showed alcohol use.

a. Is there sufficient evidence to conclude that the times are different?

b. Construct a 99% confidence interval estimate of the mean of the differences between the times of tobacco use and alcohol use. Based on the result, is there a significant difference in the times that children are exposed to tobacco use and the times that they are exposed to alcohol use?

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