何者要求用百分位数法确定正常值范围
A.正态分布B.标准正态分布C.偏峰分布D.t分布E.F分布
参考答案:C
It would be unfair to clone any extinct animals they were to live in a zoo.
A.or
B.if
C.but
D.whether
老客户维护做的好不好,以下哪个指标最重要?()
A.回头率
B.客单价
C.关联购买
D.好评