27 -- 23:06 App 1.5.11 假设检验 Hypothesis Testing 201 -- 29:50 App 2.2.11 抵押品 Collateral 51 -- 28:39 App 1.4.5 国家风险 Country Risk 48 -- 24:20 App 1.3.5 交易所、OTC衍生品、DPC和SPV Exchanges, OTC Derivatives, DPCs, and SPVs 79 -- 29:49 App 1.3.2 保险公司和个...
( ) A. null hypothesis and alternative hypothesis are both possibly right B. null hypothesis and alternative hypothesis are both possibly wrong C. only one is right in null hypothesis and alternative hypothesis D. null hypothesis is absolutely right and alternative hypothesis is not possibly right ...
假设性检验问题,检验的是整体的统计量。定义null hypothesis和alternative hypothesis,对于假设性检验根据简介中的方法会有两种结论,注意在null hypothesis里面,必须是等号 拒绝 ,接受 :这表明我们有足够的证据证明 是正确的 无法拒绝 ,拒绝 :之所以无法说接受 ,是因为 里面是等号,我们的证据证明了我们的总体的统计量会...
In order to understand what an alternate hypothesis (also called an alternative hypothesis)is, you first need to understand what the null hypothesis means. The word hypothesis means a working statement. In statistics, we’re interestedinproving whether a working statement (the null hypothesis)istrue...
[translate] anull hypothesis and alternative hypothesis 无效假设和假设[translate]
Hypothesis Testing JRA 01/13 To calculate the probability of a Type II error, we postulate H 1 where H 1 is an alternative hypothesis Consider the example that a product contains 3% of Phosphorus by weight. Four (4) measurements are taken, the mean and SD are calculated and a...
Together, the null and alternative hypotheses account for all possible values of the parameter. Any possible values of the parameter not covered by the null must be covered by the alternative hypothesis (e.g.,H0: θ≤ 5 versus Ha: θ > 5). 【释义】原假设(The null hypothesis)是研究者...
② 备择假设H1。英语称为「Alternative Hypothesis」。 关于这一对假设,需要知道: ① 原假设H0虽是事物的本来面貌,但确是研究者想收集证据予以反对、予以拒绝的。 ② 假设检验使用的是反证法原理,即先假定H0是正确的。如果样本提供的信息显示与H0相矛盾,则说明「H0成立」这个假设是错误的,于是拒绝H0;如果没有出现...
Null hypothesis: “xis equal toy.” Alternative hypothesis “xis not equal toy.” Null hypothesis: “xis at leasty.” Alternative hypothesis “xis less thany.” Null hypothesis: “xis at mosty.” Alternative hypothesis “xis greater thany.”...