离差系数又名变差系数。 变差系数:变差系数是一个表示标准差相对于平均数大小的相对量,其公式如下: 变差系数(Cv)=标准差(σ)/平均值(x)
该体系运用极小极大离差法进行指标的筛选,并应用变异系数法进行指标权重的确定。
It applies Minimax deviation method and coefficient of variation method to define weighting to avoid influences caused by human factors from subjective assignment.
在5%的统计学水平上,权益资本成本、平均资本成本、息税前收益率的标准离差率和财务杠杆系数四者之间无明显的相关性。
Based on 5% of statistics there are no apparent relationships between equity capital cost, average capital cost, standard variation coefficient of EBIT and degree of financial leverage.
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