英语词汇“two sample z-test”的翻译、意思、用法、释义-英汉经管词典

单词	two sample z-test
释义	two sample z-test Definition A hypothesis test that is used to compare two sample groups to determine if they have originated from the same population. The two sample z-test requires the standard deviation to be known or the original size of the sample taken to be larger than 30, with a population that falls within a system of normal distribution.
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