卡方检验的The minimum expected count is

问题描述:

卡方检验的The minimum expected count is
P值是0.000,卡方值是43.593,但下面的The minimum expected count is 48.30,是不是说明卡方检验有统计意义但可信度不高啊?

不是的,The minimum expected count is XXX只是提醒你注意Pearson卡方检验是否可靠.Pearson卡方检验对理论频数(expected count )有一定要求,当理论频数小于5的格子比例达到或超过20%时,Pearson卡方值偏离卡方分布...