【单选题】【消耗次数：1】
Our Chinese tradition is quite different _____ we only want to defend our own country, not to invade other countries.
①
because
②
for
③
in that
④
that
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随机题目
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统计学中所说的总体是指:（）。
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任意想象的研究对象的全体
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根据研究目的确定的研究对象的全体
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根据地区划分的研究对象的全体
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样本标准差用S表示
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标准差越大，数据的集中趋势越小
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方差的算术平方根称为标准差
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【单选题】
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④
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