【单选题】若数值变量资料分布末端有不确定数据时,描述变异度指标宜用
【单选题】______, the guest speaker was ushered into the auditorium hall to give the lecture.
A.
Being shown around the campus
B.
Having shown to the campus
C.
After been shown around the campus
D.
Having been shown around the campus
【单选题】反向定价法是指企业依据消费者能够接受的产品终端销售价格,逆向推算制定出厂价和批发价的定价方法,它属于 ________ 的定价方法。
【单选题】反向定价法是指企业依据消费者能够接受的产品终端销售价格,逆向推算制定出厂价和批发价的定价方法,它属于 的 定价方法