...间平均数是否存在差异，因此设立了一个虚拟假设，为各组平均相等( )，引申出方差分析的计算概念为总变异量(total sum of squares)依照不同数量因子的考量而可以分割为组间变异量(between sum of squares，或称treatment sum of squares)与组内变异量(within su...
Stepwiseregressionanalysisdemonstrated thatboundaryambiguity, uncertaintyandmother'sagearepredictorsof a mother's depressionwhichaccount for 21.49% of the total variance of depression.