null hypothesis

null hypothesis什么意思,null hypothesis翻译

基本解释

un.: 无效假设；零假设；虚假设；检验假设
网络: 虚无假设

权威解释

• 零假设，原假设，虚无假设 （即用两组人分别实验而结果相同）:

  the idea that an experiment that is done using two groups of people will show the same results for each group

英汉解释

• 检验假设

• 虚假设

• 零假设

• 无效假设

例句

• It used to be that the goal in econometric work was to get results that were statistically significant, to reject the null hypothesis.

  过去，搞经济计量学时，目标往往是争取让获得的结果，在统计上有显著意义，这样就能拒绝零假设。

• The model fit statistics (significance = 0001) indicate that the null hypothesis, criteria do not influence choice could be rejected.

  样板的适宜统计学（重要性=0.0001）指出无效力的假设，标准不影响选择可能被拒绝。

• The city manager should accept the null hypothesis that there is no difference between the two methods of tax listing.

  市政府官员应该接受两种征税登记方法没有差别这个无效假设。

• The null hypothesis that these variables have no effect is typically only marginally rejected at conventional levels.

  的零假设，这些变数不会影响通常只略微拒绝在常规水平。

• It tells you when to reject the null hypothesis, but it does not tell you whether to accept the alternative hypothesis.

  它告诉您何时不采用无效假设，却没有告诉您是否接受备择假设。

• It"s a primer problem of unit root test that establishing the null hypothesis reasonably, which is not studied deeply up to now.

  原假设的合理设定是单位根检验的首要问题，至今尚无学者对此进行深入研究。

• Whenever we reject the null hypothesis, the conclusion we do accept is called the alternative hypothesis.

  无论何时，拒绝无效假设时，我们所接受的结论叫做备择假设。

• The hypothesis to be tested is called the null hypothesis.

  被检验的假设称为零假设

• We cannot reject the null hypothesis that the preferences of Nova Scotia beer drinkers have changed since your last poll.

  我们不能排除这样的虚假设，即自从上一次民意测验以来，新斯科舍省啤酒消费者偏好已经发生了变化。

• 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中。