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论述对于未归类的一大批数据,精确地计算各个观测数据的百分等级的具体步骤。

问答题
2022-04-02 13:54
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正确答案
答:步骤简述如下:
1.把观测数据从大到小依次排列。

2.按不同的数据逐个逐个地统计次数,并把它们列表记录。

3.从低端开始向高端方向,计算各个观测点数据以下的累积次数。

4.计算各观测点数据的“以下累积相对次数”,即比例数。

5.确定各观测点数据的百分等级PR,其计算方法是把各数据的“以下累积相对次数”乘上100即得之。

6.归类划记。完成上述各个步骤后,我们就可以设计一个表的格式来记录上述有关结果并对数据进行归类划记。

7.登记次数。根据划分结果,点计各组的次数f,记入表格相应栏目。

答对一条1.5分,全对10分。


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