spss计算的偏度为0.794 峰度为1.587符合正态分布吗七个变量的skewness分别是1.622,0.601,0.75,-0.408,0.787,的标准差是0.794;峰度kurtosis值为2.886,0.871,-0.117,-0.705,0.562,0.632,0.670,标准差是1.
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![spss计算的偏度为0.794 峰度为1.587符合正态分布吗七个变量的skewness分别是1.622,0.601,0.75,-0.408,0.787,的标准差是0.794;峰度kurtosis值为2.886,0.871,-0.117,-0.705,0.562,0.632,0.670,标准差是1.](/uploads/image/z/7643486-38-6.jpg?t=spss%E8%AE%A1%E7%AE%97%E7%9A%84%E5%81%8F%E5%BA%A6%E4%B8%BA0.794+%E5%B3%B0%E5%BA%A6%E4%B8%BA1.587%E7%AC%A6%E5%90%88%E6%AD%A3%E6%80%81%E5%88%86%E5%B8%83%E5%90%97%E4%B8%83%E4%B8%AA%E5%8F%98%E9%87%8F%E7%9A%84skewness%E5%88%86%E5%88%AB%E6%98%AF1.622%EF%BC%8C0.601%EF%BC%8C0.75%EF%BC%8C-0.408%EF%BC%8C0.787%EF%BC%8C%E7%9A%84%E6%A0%87%E5%87%86%E5%B7%AE%E6%98%AF0.794%EF%BC%9B%E5%B3%B0%E5%BA%A6kurtosis%E5%80%BC%E4%B8%BA2.886%EF%BC%8C0.871%EF%BC%8C-0.117%EF%BC%8C-0.705%EF%BC%8C0.562%EF%BC%8C0.632%EF%BC%8C0.670%EF%BC%8C%E6%A0%87%E5%87%86%E5%B7%AE%E6%98%AF1.)
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spss计算的偏度为0.794 峰度为1.587符合正态分布吗七个变量的skewness分别是1.622,0.601,0.75,-0.408,0.787,的标准差是0.794;峰度kurtosis值为2.886,0.871,-0.117,-0.705,0.562,0.632,0.670,标准差是1.
spss计算的偏度为0.794 峰度为1.587符合正态分布吗
七个变量的skewness分别是1.622,0.601,0.75,-0.408,0.787,的标准差是0.794;峰度kurtosis值为2.886,0.871,-0.117,-0.705,0.562,0.632,0.670,标准差是1.587。七个变量一起做的检验,是不是应该一个一个的做正态检验?p值怎么计算?
spss计算的偏度为0.794 峰度为1.587符合正态分布吗七个变量的skewness分别是1.622,0.601,0.75,-0.408,0.787,的标准差是0.794;峰度kurtosis值为2.886,0.871,-0.117,-0.705,0.562,0.632,0.670,标准差是1.
应该每个变量都做正态性检验
是否符合正态分布要看你做检验时给出的显著性水平,一般是0.05
P值一般的统计软件都会给出,手算太难了
还要看它们各自的标准差。偏度和峰度也只是考察变量是否为正态分布的一种参考指标