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李丰丰 · 2020年01月15日

问一道题:NO.PZ2020010303000013 [ FRM I ]

问题如下图:

请问答案是否有误?d.f.= n-1,应该分别为5和4?

1 个答案

orange品职答疑助手 · 2020年01月16日

同学你好 你说的没错 算出v后要减1的 如基础班讲义118所示 我们会进行修改 谢谢同学你的指正

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