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Sample Size Successes Proportion Sample 1 200 51 0. 25500 Sample 2 200 68 0. 34000 Difference -0. 08500 Null Hypothesis: p1 = p2 Alternative

Sample Size Successes Proportion Sample 1 200 51 0. 25500 Sample 2 200 68 0. 34000 Difference -0. 08500 Null Hypothesis: p1 = p2 Alternative Hyp: pl # p2 SE (difference) 0. 04572 z (uncorrected) -1.86 P ????? 954 Confidence Interval of Difference -0. 17460

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