英语词汇“population variance”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	population variance
释义	population variance population variance [‚päp·yə′lā·shən ′ver·ē·əns] (statistics) The arithmetic average of the numbers (v₁-v̄)²,…, (v_N-v̄)², where v_iare numbers obtained from a population with N members, one for each member, and v̄ is the population mean.
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