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Compare proportions who were smokers

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Reference no: EM131818068

For samples of male and female students, a z test was carried out to compare proportions who were smokers.

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a. Is the z statistic large, not large, or borderline?

b. Is the P-value small, not small, or borderline?

c. Do we conclude there was a significant difference between proportions smoking for males versus females?

d. Explain how the interval is consistent with the results of the z test.

Reference no: EM131818068

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