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Chapter 9

Hypothesis Testing

什么是假设?
什么是假设?
A hypothesis can be a simple sentence or statement about a property or any phenomenon observed or predicted for a population. It is usually a claim about ...
原假设和备择假设
原假设和备择假设
The actual hypothesis testing begins by considering two hypotheses. They are termed  the null hypothesis and the alternative hypothesis. These ...
临界区域、临界值和显著性水平
临界区域、临界值和显著性水平
The critical region, critical value, and significance level are interdependent concepts crucial in hypothesis testing. In hypothesis testing, a sample ...
<em>P</em> 值
P
P-value is one of the most crucial concepts in statistics. P-value stands for the probability value.  P-value is the probability that, if the null ...
假设检验的类型
假设检验的类型
There are three types of hypothesis tests: right-tailed, left-tailed, and two-tailed. When the null and alternative hypotheses are stated, it is observed ...
决策制定:<em>P</em> 值法
决策制定:P 值法
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it. First, a ...
决策:传统方法
决策:传统方法
The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using ...
假设:接受还是失败拒绝?
假设:接受还是失败拒绝?
The outcome of any hypothesis testing leads to rejecting or not rejecting the null hypothesis. This decision is taken based on the analysis of the data, ...
假设检验中的错误
假设检验中的错误
When performing a hypothesis test, there are four possible outcomes depending on the actual truth (or falseness) of the null hypothesis and the decision ...
测试有关 Population Ratio 的声明
测试有关 Population Ratio 的声明
A complete procedure for testing a claim about a population proportion is provided here. There are two methods of testing a claim about a population ...
检验关于 Mean: Known Population SD 的声明
检验关于 Mean: Known Population SD 的声明
A complete procedure of testing the hypothesis about a population mean is explained here. Estimating a population mean requires the samples to be ...
检验关于 Mean: Unknown Population SD 的声明
检验关于 Mean: Unknown Population SD 的声明
A complete procedure of testing a hypothesis about a population mean when the population standard deviation is unknown is explained here. Estimating a ...
检验有关标准差的声明
检验有关标准差的声明
A complete procedure to test a claim about population standard deviation or population variance is explained here. The hypothesis testing for the claim of ...
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