非参数假设检验 meaning in Chinese

non-parametric hypothesis

Then , using pearson x2 testing method , one of the coefficients n following the rule of distribution in statistics is tested . furthermore , according to the the statistical correlation between c and n , the influence of both c and n on propagation life of fatigue cracks is discussed
然后，采用pearsonx ~ 2分布拟合检验的方法，对n进行非参数假设检验分析，判定其概率分布形式，并根据c和n之间的统计相关式，推得c的概率分布形式。