unbiased sample 中文意思是什麼
unbiased sample
解釋
不偏試樣-
Care should be taken to obtain an unbiased sample.
要取得一個真實無誤的樣本,須應仔細從事。 -
With a pristine and unbiased sample of interstellar dust they can truly find out if and by how much the elements of our own world differ from others throughout the galaxy
通過這些原始的無偏見的星際塵埃樣品,人們能真正找出究竟我們的太陽系同銀河中的其它星球是否有元素差異以及相差多少。 -
Unbiased estimators are not necessarily consistent, but those whose variances shrink to zero as the sample size grows are consistent
無偏估計量未必是一致的,但是那些當樣本容量增大時方差會收縮到零的無偏估計量是一致的。
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