问题
多项选择题
抽样调查决定样本大小的原则是（）
A.计量资料样本可以小些
B.计数资料应大些
C.影响因素较单纯，样本可以小些
D.影响因素较复杂，样本可以大些
E.被调查总体中具有某特征的个体所占比例大，样本可以小些
答案
参考答案：A, B, C, D, E
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抽样调查决定样本大小的原则是（）
A.计量资料样本可以小些
B.计数资料应大些
C.影响因素较单纯，样本可以小些
D.影响因素较复杂，样本可以大些
E.被调查总体中具有某特征的个体所占比例大，样本可以小些
参考答案：A, B, C, D, E
| 单句改错。 | |
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