Question: 33. Interpreting Overlap of Confidence Intervals In the article On Judging the Significance of Differences by Examining the Overlap Between Confidence Intervals, by Schenker and

33. Interpreting Overlap of Confidence Intervals In the article “On Judging the Significance of Differences by Examining the Overlap Between Confidence Intervals,” by Schenker and Gentleman (American Statistician, Vol. 55, No. 3), the authors consider sample data in this statement: “Independent simple random samples, each of size 200, have been drawn, and 112 people in the first sample have the attribute, whereas 88 people in the second sample have the attribute.”

a. Use the methods of this section to construct a 95% confidence interval estimate of the difference p1 – p2. What does the result suggest about the equality of p1 and p2?

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