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A researcher reported the results of a telephone poll of 1000 adult Americans. The question posed...

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A researcher reported the results of a telephone poll of 1000adult Americans. The question posed of those who were surveyed was:\"Should the federal tax on cigarettes be raised to pay for healthcare reform?\" Of 600 non-smokers, 362 said yes. Of 400 smokers, 80said yes. What is the test statistic, at alpha = .05, if you wantto determine that the proportion of non-smokers who said yes isgreater than the proportion of smokers who said yes?

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3.6 Ratings (266 Votes)
For non smokers n1600 X1362For smokers n2400 X280The sample proportions are p1X1136260006033p2X228040002000The pooled    See Answer
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