null hypothesis
零假设：一种需要进行测试并接受或拒绝的统计假设
常用释义
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基本释义
- 零假设：一种需要进行测试并接受或拒绝的统计假设，特别是指观察到的差异仅仅是由于偶然因素而不是系统性因素引起的假设。
例句
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1·Otherwise you must retain the null hypothesis.否则您就必须使用该无效假设。
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2·Conclusion: We should reject the null hypothesis.结论：我们应该拒绝零假设。
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3·Conclusion: We are unable to reject the null hypothesis.结论：我们无法拒绝零假设。
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4·The null hypothesis to be white noise has been rejected.经检验，时序为白噪声的零假设被拒绝。
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5·Power of test:rejecting the null hypothesis when it is false.Ⅱ型错误：当原假设错误的时候却没有拒绝原假设；
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6·Under null hypothesis, the limit distributions of statistics are obtained.在原假设下得到检验统计量的极限分布。
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7·This means that the threshold for retaining the null hypothesis explanation was exceeded.这意味着超出了保持虚假设说明的阈值。
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8·Null hypothesis: Hypnosis has no effect on the outcome of dental treatment of children.本次研究的虚无假设是催眠对于儿童的牙科治疗结果并无影响。
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9·In the case of this beer poll, the expected frequency under the null hypothesis is the following.在这个啤酒欢迎度民意测验的示例中，在虚假设条件下的期望频率如下。
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10·The term null hypothesis arose from earlier agricultural and medical application of statistics.无效假设这个概念产生于早期的统计学在农业和医学方面的应用…