皮皮学，免费搜题
登录
搜题
【单选题】
用均数与标准差可全面描述哪种资料的特征A.
正偏态分布的资料
B.
负偏态分布的资料
C.
正态分布和近似正态分布的资料
D.
不对称分布的资料
E.
分布类型不清楚的资料
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：M: Well, that was delicious! Thanks very much indeed. . . I didn't know you were such a good cook, Brenda. W: Thank you, Richard. M: If you like, I could do the washing-up. W: No, don't bother, I...
A.
He offered to get the ashtray.
B.
He offered to make coffee.
C.
He offered to do the washing-up.
D.
He offered to drive the woman to the phone.
【简答题】Interviewer: A kind of 'cross-fertilisation' I suppose. Well, thanks very much for your time, Pat._______________
【简答题】The party( )very well, thanks.
【判断题】Diaphragm valves are used to transfer a variety of slurries, corrosive or sticky substances from place to place.
A.
正确
B.
错误
【简答题】Diaphragm valves come in two designs: and . The ,or straight-through-diaphragm valve, has a flexible membrane that extendsacross the pipe. Pressure drop across the valve depends on the position of the...
【单选题】Well, thanks very much for_________ my talk. Are there any questions?
A.
listening to
B.
looking at
C.
hearing to
相关题目：