N a continuous distribution obtained from the ratio of two chi-square distributions and used esp to test the equality of the variances of two normally distributed variances F分布 [statistics]
f probability distribution functionf分布函数
f invariable distributionf不变分布
univariate f-distribution一元f分布
f-distribution f分布数理统计
f-distributionf分布
bivariate F-distribution二元F分布
approximate F-distribution近似F分布
matric f-distribution矩阵f
multi-variate F-distribution多元F分布
N（名词） a continuous distribution obtained from the ratio of two chi-square distributions and used esp to test the equality of the variances of two normally distributed variances F分布 [statistics]