biased estimator

常見例句

雙語例句

• The reasons there are two main expressions for population and sample" is that one is biased estimator and the other is not."
  “母躰”與“樣本”之所以有兩種表達(dá)公式，是因爲(wèi)一個(gè)是有偏估計(jì)，另一個(gè)則不是。
• We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.
  討論多堦段抽樣比率估計(jì)及其樣本量選擇的問題 ，給出了比率估計(jì)抽樣均方誤差的近似公式及其漸近無偏估計(jì)的公式 。
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