“population variance”的概念、定义、翻译、参考文献-科学参考

单词	population variance
释义	population variance [´päp·yǝ`lā·shǝn `ver·ē·ǝns] ^STATISTICS The arithmetic average of the numbers (v₁-v̄ )²,..., (v_N-v̄ )², where v_i are numbers obtained from a population with N members, one for each member, and v̄ is the population mean.
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