| 单词 | X test |
| 释义 | X test [`eks ´test] STATISTICS A one-sample test which rejects the hypothesis μ = μH in favor of the alternative μ > μH if X - μH ≧ c where c is an appropriate critical value, X is the arithmetic mean of observations, μH is a given number, and μ is the (unknown) expected value of the random variable X. |
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