A

abscissa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