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【单选题】
根据以下内容，回答题。A.
几何均数
B.
四分位数间距
C.
中位数
D.
算术均数
E.
标准差 反映一组观察值离散程度最好的指标是 查看材料
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【多选题】A: Good morning! (1)______ B: Yes, please. I want to join the music club. A: Good. (2)______ B: I can dance. A: Well. May I know your name, please? B: My name is Wang Dan. (3)______ A: OK. (4)______ B...
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B.
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C.
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D.
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E.
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【简答题】程序号采用字母()及其后若干位()十进制数表示
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