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【单选题】
确定样本容量时，需要考虑的两个基本因素是______。A.
总体规模和抽样方式
B.
调查经费限制和时间限制
C.
总体变异程度和调查精度要求
D.
回答率和分组需要
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举一反三
【简答题】According to the author, what do most people believe to be virtue? And what is real virtue?
【简答题】设 的方差为 2.5 ,利用切比雪夫不等式估计 .
【单选题】Ask most people to list what makes them like someone on first meeting and they'll tell you personality, intelligence, sense of humor. But they're probably deceiving themselves. The characteristic that...
A.
appearance that hinders his/her inclination
B.
intelligence that triggers his/her interest
C.
appearance that touches off his/her inclination
D.
sweet personality and sense of humor that arouses his/her interest
【简答题】Most people want to be successful, but never stop to think what it will really take to get there in their chosen field. If it means going back to college for 2 years of night school, could you do it ?...
【判断题】Most people concern more on what they say is going to be listened to than paying more attention to what they are going to say.
A.
正确
B.
错误
【单选题】要完成摩天轮转动动画,应如何设置链接关系?
A.
设置座椅的轴心点——将坐骑链接到转轮上——在层次面板中取消旋转外的所有链接信息
B.
将坐骑的轴心点——链接给转轮上——取消旋转的链接信息
C.
将座椅设置轴心点——链接给转轮——取消旋转的链接信息
D.
将坐骑的轴心点——链接给转轮上——只锁定旋转的链接信息
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