原假设与备择假设
Null hypothesis and alternative hypothesis
以上为机器翻译结果，长、整句建议使用 人工翻译 。
对假设检验的原理给出了解释和理论分析，并对假设检验中的原假设与备择假设的设定原则进行了阐述。
This article states and analyzes the principles of hypothesis testing theoretically, and briefly expounds the setting principles of original hypothesis and checking hypothesis in hypothesis testing.
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