题目内容：
A抽样误差的平均数
B抽样误差的标准差
C抽样误差的可靠程度
D抽样误差的最大可能范围
参考答案：
选择题：A抽样误差的平均数B抽样误差的标准差C抽样误差的可靠程度D抽样误差的最大可能范围
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- 题目类型：选择题
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A .直接观察法B .报告法C .采访法D .被调查者自填法
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