【单选题】【消耗次数:1】
在进行组距式分组时,当全距不变的情况下,组距与组数的关系是
正比例关系
反比例关系
乘积关系
毫无关系
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【单选题】 在编制组距数列时,当全距不变的情况下,组距与组数的关系是( )。
①  正比例关系
②  反比例关系
③  乘积关系
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②  反比
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