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独立性检验的基本思想 及其初步应用

独立性检验的基本思想 及其初步应用. 第一节课. 独立性检验：. 在统计学中， 独立性检验就是检验两个 分类变量是否有关系的一种 统计方法。. 分类变量：. 列联表 ：. 探究：. 通过分析数据和图形，得到的直观印象是 吸烟和患肺癌有关。事实是否真的如此呢？.

kathleen-hensley
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独立性检验的基本思想 及其初步应用

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  1. 独立性检验的基本思想及其初步应用 第一节课

  2. 独立性检验： 在统计学中，独立性检验就是检验两个 分类变量是否有关系的一种统计方法。 分类变量： 列联表：

  3. 探究： 通过分析数据和图形，得到的直观印象是 吸烟和患肺癌有关。事实是否真的如此呢？

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