(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
(统计测试中的)零假设,虚假设。
n. 零假设;虚假设
Otherwise you must retain the null hypothesis.
否则您就必须使用该无效假设。
Conclusion: We should reject the null hypothesis.
结论:我们应该拒绝零假设。
Conclusion: We are unable to reject the null hypothesis.
结论:我们无法拒绝零假设。
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。
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;
零假设(nullhypothesis),统计学术语,又称原假设,指进行统计检验时预先建立的假设。零假设成立时,有关统计量应服从已知的某种概率分布。当统计量的计算值落入否定域时,可知发生了小概率事件,应否定原假设。
(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
(统计测试中的)零假设,虚假设。