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统计学求平均数的题目现在有75个数字,每五个数字分一组,分成15组,要使这15组的和基本相等或者相差很小!33.48,3

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统计学求平均数的题目
现在有75个数字,每五个数字分一组,分成15组,要使这15组的和基本相等或者相差很小!
33.48,33.19,33.51,33.60,33.44,33.21,33.54,33.54,33.03,33.75,33.55,33.03,33.29,33.54,33.67,33.37,33.27,33.55,33.65,33.17,33.10,33.53,33.85,33.57,33.23,33.56,33.56,33.10,33.40,33.02,33.65,33.63,33.34,33.34,33.70,33.61,33.59,33.60,33.64,33.20,33.41,33.63,33.57,33.31,33.85,33.42,33.55,33.16,33.33,33.32,33.56,33.68,33.59,33.64,33.47,33.54,33.69,33.61,33.45,33.02,33.50,33.48,33.72,32.98,33.48,33.75,33.68,33.63,33.44,33.60,33.66,33.55,33.35,33.69,33.33
哪位高人给个方法,万分感谢!!
统计学求平均数的题目现在有75个数字,每五个数字分一组,分成15组,要使这15组的和基本相等或者相差很小!33.48,3
全体排序.
第一次从排头取2个,排尾取3个组成一组
第二次从剩下的排列中,排头取3个,排尾取2个
就这么交错着取,直到取完.