biased estimator
常見(jiàn)例句
- The reasons there are two main expressions for population and sample" is that one is biased estimator and the other is not."
“母體”與“樣本”之所以有兩種表達(dá)公式,是因?yàn)橐粋€(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.
討論多階段抽樣比率估計(jì)及其樣本量選擇的問(wèn)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(wú)偏估計(jì)的公式 。 返回 biased estimator