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第9章

仮説検証

仮説とは?
仮説とは?
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 ...
帰無仮説と対立仮説
帰無仮説と対立仮説
The actual hypothesis testing begins by considering two hypotheses. They are termed  the null hypothesis and the alternative hypothesis. These ...
臨界領域、棄却限界値、有意水準
臨界領域、棄却限界値、有意水準
The critical region, critical value, and significance level are interdependent concepts crucial in hypothesis testing. In hypothesis testing, a sample ...
<em>P</em>値
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 ...
仮説検定の種類
仮説検定の種類
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 ...
意思決定:<em>p</em>値法
意思決定:p値法
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 ...
意思決定:従来の方法
意思決定:従来の方法
The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using ...
仮説:受け入れるか拒否しないか?
仮説:受け入れるか拒否しないか?
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, ...
仮説検定のエラー
仮説検定のエラー
When performing a hypothesis test, there are four possible outcomes depending on the actual truth (or falseness) of the null hypothesis and the decision ...
人口比率に関する主張の検定
人口比率に関する主張の検定
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 ...
平均に関するクレームのテスト: 既知の母集団 SD
平均に関するクレームのテスト: 既知の母集団 SD
A complete procedure of testing the hypothesis about a population mean is explained here. Estimating a population mean requires the samples to be ...
平均値に関するクレームのテスト: 母集団 SD 不明
平均値に関するクレームのテスト: 母集団 SD 不明
A complete procedure of testing a hypothesis about a population mean when the population standard deviation is unknown is explained here. Estimating a ...
標準偏差に関する主張の検定
標準偏差に関する主張の検定
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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