null hypothesis是什么意思

网络释义

用法例句

The correction for the null hypothesis in the test of evaluator reliability;

对评分者信度检验中零假设的更正

In the statistical parameter hypothesis testing,there exists a problem of how to choose null hypothesis in mutual opposed two possible hypotheses.

在统计的参数假设检验中,对可能作出的2个相互对立的假设,存在如何选择零假设的问题;而且对同一样本信息,由于零假设的不同选取,可能会得到不同的检验结论。

Objective: This paper concerns the design and analysis of phase IV clinical trial under non-null hypothesis.

目的:论述非虚假设IV期临床试验的设计与分析。

Objective:The matched-pair design is generalized to the situation with non-null hypothesis and stratification.

目的:将配对设计加以扩展,以适应非虚假设和分层。

On the Limit Null Distributions of Reversed Berk-Jones-Type Test Statistics

修正Berk-Jones检验统计量在零假设下的极限分布

On the Asymptotic Properties of Nonparametric Likelihood Ratio Test Under Composite Null Hypothesis

复合零假设下非参数似然比检验的渐近性质

The null result was directly related to a central postulate of the theory.

零结果都直接与理论的中心假设相联系。

The dc input voltage to the converters is assumed to have zero internal impedance.

我们假设换流器的直流输入电源的内阻为零。

For example, assume that a petty cash fund of $5 was established on October 1 and that payments totaling $5 were made from the fund during the next two weeks.

例如,假设10月1 日设置一笔零用备用金5美元,在以后的两周内从备用金中总共支付5美元。

hypothesis testing theory

假设检验说 假设检验说

We're doing all our business planning assuming that 2002 stays as tough as it is right now. A zero-growth economy.

我们现在正在做的商业规划是在假设2002年的经济形势与现在一样严峻——经济零增长。

Assume that one company has decided to establish a petty cash fund of $5. A check should be written and exchanged at the bank for currency and coin.

假定某公司决定设置5美元零用现金基金,公司签发一张支票并到银行兑换纸币和铸币。

To assert as a hypothesis.

假设，假定作为一个假设提出

Infrastructure works are tentatively scheduled to commence in late 2000 for completion in 2004.

基础建设工程暂定于二零零零年底展开，于二零零四年完成。

smattered on about her vacation.

零散地介绍她的假期生活

He did odd jobs around the house during his holiday.

假日中他在家做些零活儿.

He does odd jobs around the house during his holiday

假日中他在家做些零活儿

He do odd job around the house during his holiday.

假日中他在家做些零活儿。

New Marketing Strategies of China Modern Retail Business in Holiday Economy;

中国现代零售业假日营销战略新理念

Discussion on the Original Hypothesis and Checking Hypothesis in the Hypothesis Testing;

关于"假设检验"中原假设与备择假设的讨论

Let ∠ABC be an angle of ninety degrees.

假设 ∠ABC 为直角。

To adjust(an instrument or a device) to zero value.

把…调到零点调整（仪器或设备）到零点