spss中chi-square检验的自由度的计算公式是什么比如得出的表格是这样:EvaluationsChi-Square(a) 62.500df 9Asymp.Sig..000a 5 cells (10%) have expected frequencies less than 5.The minimum expected cell frequency is 12.0.我的样
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![spss中chi-square检验的自由度的计算公式是什么比如得出的表格是这样:EvaluationsChi-Square(a) 62.500df 9Asymp.Sig..000a 5 cells (10%) have expected frequencies less than 5.The minimum expected cell frequency is 12.0.我的样](/uploads/image/z/11259636-60-6.jpg?t=spss%E4%B8%ADchi-square%E6%A3%80%E9%AA%8C%E7%9A%84%E8%87%AA%E7%94%B1%E5%BA%A6%E7%9A%84%E8%AE%A1%E7%AE%97%E5%85%AC%E5%BC%8F%E6%98%AF%E4%BB%80%E4%B9%88%E6%AF%94%E5%A6%82%E5%BE%97%E5%87%BA%E7%9A%84%E8%A1%A8%E6%A0%BC%E6%98%AF%E8%BF%99%E6%A0%B7%EF%BC%9AEvaluationsChi-Square%28a%29+62.500df+9Asymp.Sig..000a+5+cells+%2810%25%29+have+expected+frequencies+less+than+5.The+minimum+expected+cell+frequency+is+12.0.%E6%88%91%E7%9A%84%E6%A0%B7)
spss中chi-square检验的自由度的计算公式是什么比如得出的表格是这样:EvaluationsChi-Square(a) 62.500df 9Asymp.Sig..000a 5 cells (10%) have expected frequencies less than 5.The minimum expected cell frequency is 12.0.我的样
spss中chi-square检验的自由度的计算公式是什么
比如得出的表格是这样:
Evaluations
Chi-Square(a) 62.500
df 9
Asymp.Sig..000
a 5 cells (10%) have expected frequencies less than 5.The minimum expected cell frequency is 12.0.
我的样本是50个,df的9是怎么算的.另外 5 cells (10%) have expected frequencies less than 5.The minimum expected cell frequency is 12.0.less than 5,这里的5是哪里来的?
谢谢您的回答,但是也有50个样本,自由度为49,而出现0cells have expected frequencies less than 5.那么这是说50个被试分为50个类别么.那么怎么能0个类别的期望被试数少于5呢?
spss中chi-square检验的自由度的计算公式是什么比如得出的表格是这样:EvaluationsChi-Square(a) 62.500df 9Asymp.Sig..000a 5 cells (10%) have expected frequencies less than 5.The minimum expected cell frequency is 12.0.我的样
你的被试是50个,但是卡方分析不是依据被试数来的,而是依据类别来的,也就是说这50个被试被你分成了10个类别,计算到最后就是9个自由度了.
5 cells (10%) have expected frequencies less than 5. The minimum expected cell frequency is 12.0.
这是说你有5个类别的期望被试数少于5,而最少的期望数是12.这里的5是卡方分析应该遵循的极限值,如果小于5会影响到结果的准确性.
可以采取的方法是将10类进行合并.