A toothpaste company says that a large sample of individuals tested after using its brand of toothpaste

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A toothpaste company says that a large sample of individuals tested after using its brand of toothpaste had 27% fewer dental caries. Criticize the assumption that using the company’s toothpaste reduces the incidence of caries.

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Basic Statistical Analysis

ISBN: 9781292026824

9th Edition

Authors: Richard C. Sprinthall

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