题目内容
抽样成数的特点是样本成数越大，抽样平均误差越大。（ ）
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In some cultures, eye contact should be avoided in order to show respect or obedience.
The appropriateness of physical contact varies with different cultures.
Some researchers assert that in face-to-face communication, about 70% of information is communicated through speaking, and over 30% is sent by nonverbal means.
Western women usually like Chinese to touch their babies or small children.
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