【判断题】【消耗次数：1】
在组距相等的条件下，次数分布和次数密度的分布是一致的 。
①
正确
②
错误
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【简答题】
[填空]=频数÷组距，它能准确反映频数分布的实际状况。
【简答题】
[填空]=频数÷组距，它能准确反映频数分布的实际状况。
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