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MARKETING RESEARCH PART 13

Chia sẻ: Leslie Nguyen | Ngày: | Loại File: PDF | Số trang:56

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Determining the Size of a Sample. Sample Accuracy • Sample accuracy: refers to how close a random sample’s statistic is to the true population’s value it represents • Important points: – Sample size is not related to representativeness – Sample size is related to accuracy Ch 13 2 Sample Size and Accuracy • Intuition: Which is more accurate: a large probability sample or a small probability sample? • The larger a probability sample is, the more accurate it is (less sample error). ...

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