Mean proportion and population proportion: two answers to the same question?
作者： P M Guenther , P S Kott , S M Krebs-Smith
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摘要: … "Data from USDA's Continuing Survey of Food Intakes by Individuals, 1985, based on dietary data collected from 1,032 women, 19 to 50 years of age, who provided at least 4 days of …
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