英语词汇“null hypothesis”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

null hypothesis

noun

(In a statistical test) the hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.It then reviews demographic differences within regions and tests a series of null hypotheses proposing no significant differences between regions based on the demographic factors....

We performed significance tests of the null hypothesis of constant population size for both data sets.
Using their method requires the ability to draw samples from an approximation to the joint distribution of the test statistics when all null hypotheses are true.

单词	null hypothesis
释义	null hypothesis noun (In a statistical test) the hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.It then reviews demographic differences within regions and tests a series of null hypotheses proposing no significant differences between regions based on the demographic factors.... We performed significance tests of the null hypothesis of constant population size for both data sets. Using their method requires the ability to draw samples from an approximation to the joint distribution of the test statistics when all null hypotheses are true.
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