精选优质文档-倾情为你奉上Aabscissa横坐标absence rate缺勤率absolute number绝对数absolute value绝对值accident error偶然误差accumulated frequency累积频数alternative hypothesis备择假设analysis of data分析资料analysis of variance(ANOVA)方差分析arith-log paper算术对数纸arithmetic mean算术均数assumed mean假定均数arithmetic weighted mean加权算术均数asymmetry coefficient偏度系数average平均数average deviation平均差Bbar chart直条图、条图bias偏性binomial distribution二项分布biometrics生物统计学bivariate normal population双变量正态
