variance

a price variance of 5%.5%的价格差异

variance analysis,方差分析；差异分析

analysis of variance,方差分析

at variance,不和；有分歧

at variance with,与…不和

total variance,总方差，总变异数

cost variance,成本差异

error variance,误差方差；误差变量；误差偏差

variance ratio,方差比，变异比；变异刺激

residual variance,[数]剩余方差

additive variance,加性方差