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Use the following to answer the questions below:Suppose we are interested in comparing the ...

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Use the following to answer the questions below:Suppose we are interested in comparing the ...

Use the following to answer the questions below:

Suppose we are interested in comparing the proportion of male students who smoke to the proportion of female students who smoke. We have a random sample of 150 students (60 males and 90 females) that includes two variables: Smoke = "yes" or "no" and Gender = "female (F)" or "male (M)." The two-way table below summarizes the results.

	Smoke = Yes	Smoke = No	Sample Size
Gender = M	9	51	60
Gender = F	9	81	90

Percentiles of the bootstrap distribution (based on 5,000 samples) are provided. Use the percentiles to provide a 98% confidence interval for the difference in the proportion of smokers between male and female students.

1%	2.5%	5%	10%	25%	75%	90%	95%	97.5%	99%
-0.078	-0.056	-0.039	-0.022	0.011	0.083	0.122	0.144	0.164	0.189

▸ -0.022 to 0.122

▸ -0.039 to 0.144

▸ -0.056 to 0.164

▸ -0.078 to 0.189

Textbook

Statistics: Unlocking the Power of Data

Edition: 3^rd

Authors: Lock, Morgon

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