The alternative hypothesis is introduced, and the ideas of type 1 errors and type 2 errors are described and illustrated using contingency tables and graphically.

中文翻译：

---

Alpha，Beta，1型和2型错误，Ergon Pearson和Jerzy Neyman

介绍了替代假设，并使用列联表和图形方式描述和说明了类型1错误和类型2错误的概念。