The table below compares the levels of carboxyhemoglobin for a group of non-smokers and smokers. It
Question: The table below compares the levels of carboxyhemoglobin for a group of non-smokers and smokers. It is believed that the mean carboxyhemoglobin level of the smokers must be higher than the mean level of the nonsmokers.
Sample Size | Group | Carboxyhemoglobin |
121 | Non-Smokers | \[\bar{X}=1.3,\,\,s=1.3\] |
75 | Smokers | \[\bar{X}=4.1,\,\,s=2.0\] |
• What is the research hypothesis?
• What are the null and alternative hypotheses of the associated statistical test?
• What is the rejection region if alpha =.05.
• Compute the appropriate test statistic
• What is your conclusion in terms of the problem?
• State the possible error in terms of the problem.
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See Solution: The answer consists of 2 pages
Deliverable: Word Document![](/images/msword.png)
Deliverable: Word Document
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