Assume you are part of a research team that compares products designed to help people quit smoking.
Condor Consumer Products Company would like more specific details about the study to be made available to the scientific community. Review the following and then answer the questions about how you would have conducted the study.
New StopSmoke No method has been proved more effective.
StopSmoke provides significant advantages over all other methods. StopSmoke is simpler to use, and it requires no weaning. StopSmoke is also significantly less expensive than the leading brands. StopSmoke’s superiority has been proved in two independent studies.

1. What were the statistical hypotheses?
2. What were the null hypotheses?
3. What were the alternative hypotheses?
4. Were any statistical tests run?
5. Were one- or two-tailed tests run?
6. What were the levels of significance?
7. If a type I error was committed, explain what it would have been.
8. If a type II error was committed, explain what it would have been.
9. What did the studies prove?
10. Two statements are made about significance. One states that StopSmoke provides significant advantages, and the other states that StopSmoke is significantly less expensive than other leading brands. Are they referring to statistical significance? What other type of significance is there?

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y StopSmoke quit rates 17% Leading brand A quit rates 13% StopSmoke quit rates 18% Leading brand B quit rates 15% x