作 者: ;
机构地区: 广东松山职业技术学院
出 处: 《宜春学院学报》 2006年第4期9-10,14,共3页
摘 要: 在算出对数正态分布的离差系数CV、偏度系数CS以及峰度系数CE的基础上,建立了这三个系数之间关系式:(1)CS=CV(CV2-1);(2)CE=(CV2+1)(CV4+4 CV2+6)-3.并作了详细证明. On the base of figaring out Logormal distribution deviation coefficient CV, coefficient CS as well as in the peak coefficient CE foundation,I have established the relationships between these three coefficients : (1)Cs=Cv(Cv^2-1);(2)CE=(CV^2+1)(CV^4+4CV^2+6)-3. And the proof of them have been made in detail.