卡方检验用来检验分布的拟合性 比如正太分布对数正太分布高斯分布瑞利分布，韦伯分布等里面包含了对数据的检测以及统计的原理和方法-The chi-square test used to test the The chi-square test used to test the distribution fitting, such as too the distribution of the lognormal distribution is too Gauss points Burui Li distribution, Weibull distribution, which contains the principles and methods of detection and statistical data