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单词 equivalence law of ordered sampling
释义 equivalence law of ordered sampling
[i`kwiv·ǝ·lǝns ¦lȯ ǝv ¦ȯr·dǝrd `sam·pliŋ]
STATISTICS
If a random ordered sample of size s is drawn from a population of size N, then on any particular one of the s draws each of the N items has the same probability, 1/N, of appearing.
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