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1、在SPSS中数据分组Spss分组126头基础母牛体重资料53.0,50.0,51.0,57.0,56.0,51.0,48.0,46.0,62.0,51.0,61.0,56.0,62.0,58.0,46.5,48.0,46.0,50.0,54.5,56.0,40.0,53.0,51.0,57.0,54.0,59.0,52.0,47.0,57.0,59.0,54.0,50.0,52.0,54.0,62.5,50.0,50.0,53.0,51.0,54.0,56.0,50.0,52.0,50.0,52.0,43.0,53.0,48.0,50.0,60.0,58.0,52.0,64.0,50.0,47
2、.0,37.0,52.0,46.0,45.0,42.0,53.0,58.0,47.0,50.0,50.0,45.0,55.0,62.0,51.0,50.0,43.0,53.0,42.0,56.0,54.5,45.0,56.0,54.0,65.0,61.0,47.0,52.0,49.0,49.0,51.0,45.0,52.0,54.0,48.0,57.0,45.0,53.0,54.0,57.0,54.0,54.0,45.0,44.0,52.0,50.0,52.0,52.0,55.0,50.0,54.0,43.0,57.0,56.0,54.0,49.0,55.0,50.0,48.0,46.0,56
3、.0,45.0,45.0,51.0,46.0,49.0,48.5,49.0,55.0,52.0,58.0,54.51、录入数据，变量视图中输入变量：数据、分组。分别设置小数点为1和0。2、分组，单击菜单中的分析描述统计描述，打开描述对话框。将数据选入变量，选项中勾选最大值，最小值。确定。描述触据宝。1N极小值极大值均值标准荒菰.居有效的N（列表状态）1 2E1 263T.nn65.5135.1 7792可知126个数据中极差为28,分为10组，组距选为3,极小值为37,则第一 组下限选36。3、单击菜单中转换计算变量，打开计算变量对话框，目标变量填写分组, 数字表达式填1，单击如果按钮，选择如果个案条件满足则包括，输入：数 据=36 &数据 39单击继续，单击确定。依次改变数字表达式和如果条件，完成所有数据的分组。4、统计各组数量，单击菜单栏分析描述统计频率，打开频率对话框,将变量选入变量，单击确定。5、绘制图表。126头基础母羊体重次数分布表单位：kg组别 组中值 次数36.0-37.5139.0-40.5142.0-43.5645.0-46.51848.0-49.52651.0-52.52754.0-55.52657.0-58.51260.0-61.5763.0-64.52单击菜单栏中图形旧对话框直方图，打开直方图对话框，将分组选入 变量，显示正态曲线勾选，单击确定。
