为了了解某校七年级500名学生的体重情况从中抽取60名学生的体重进行统计分析.在这个问题中总体是 样本是 样本容量是 . 题目和参考答案 Template




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tomski为了了解某校七年级500名学生的体重情况从中抽取60名学生的体重进行统计分析.在这个问题中总体是 样本是 样本容量是 coloring