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example 11.1 decide wether the sampling method is independent or dependent A. joliet junior college decided to implement a course redesign of it developmental mathematics program. students either enrolled in a traditional lecture format course or a lab based format in which lectures and homework are done using video and the course management system MyMathLab. there were 1200 students enrolled in the traditional lecture and 300 students enrolled in the lab based format. once the course ended, the researchers determine wether the student passed the curse with an A,B,C or not. the goal of the study was to determine wether the proportion of students who passed the lab based format exceeded to that of the lecture format B. do women tend to select a spouse who has an IQ higher than their own? to wander this question, researchers randomly selected 20 women and their husbands. they measured the IQ of each husband-wife team to determine if there is a significant deference in IQ

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