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单词 random sample
释义 random sample

random sample noun [C]

(Technical )

a number of people or things taken from a larger group using a process in which each person or thing has an equal chance of being chosen:

Questionnaires were sent to a random sample of 5 000 households.

random sampling noun [U,C]

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更新时间:2025/2/2 13:08:06