初中生作文:议论文阅读指导

JMP LAB STATS REPORT.


本人已死。 IRONY

  统计作业。简直就像英语……==。本来是有统计图的,巨专业。不过贴不上。发上来纯属想给大家分享一下……如果是凑分的话直接用大号发了。来者5分。退稿随便。
  Mean 62.55  
  Std Dev 4.2423385   小荷作文网 www.zww.cn
  N 40   小 荷 作文网 www.zww.cn
  100.0% maximum 70.000  
  75.0% quartile 65.000  
  50.0% median 63.000  
  25.0% quartile 60.250  
  0.0% minimum 51.000  
  Description.  
  The distribution of students’ heights is unimodal, approximately symmetric. The typical student height is the mean, which is 62.55 inches. The standard deviation of the distribution is about 4.24. With a minimum height of 51 and a maximum value of 70, most data falls between the bins 60 – 62.5. There is a gap between 52.5 and 55. From the box plot, we could see there are 2 outliers. And according to the 1.5IQR rule, 1.5 (65-60.25) = 7.125. Lower fence is Q1- 7.125 = 53.125 which is higher than 51 and 52 inches.

 
 
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来源: 字数:553 投稿日期:2008-9-24 8:15:00 点击:
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