1 / 10

统计实习作业

统计实习作业. 组员:张旭、潘梓末、梁翔宁、肖子乾. 目标. 从总数 476 中抽取 60 人的样本进行调查分析. 步骤 1. 抽样:因为使用系统抽样过于麻烦,所以使用了数学书 105 页的随机数表进行了简单随机抽样。. 步骤 2. 在 excel 表的 476 人中找出抽样的 60 人. 步骤 3. 进行频数、频率、频率 / 组距 等分析. 步骤 4. 做出图表. 步骤 5. 计算众数、中位数、标准差 众数: 475 中位数: 457 标准差: 74.15. 步骤 6. 作出离散图. 步骤 7. 得出分析结果. 步骤 8.

Download Presentation

统计实习作业

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. 统计实习作业 组员:张旭、潘梓末、梁翔宁、肖子乾

  2. 目标 • 从总数476中抽取60人的样本进行调查分析

  3. 步骤1 • 抽样:因为使用系统抽样过于麻烦,所以使用了数学书105页的随机数表进行了简单随机抽样。

  4. 步骤2 • 在excel表的476人中找出抽样的60人

  5. 步骤3 • 进行频数、频率、频率/组距 等分析

  6. 步骤4 • 做出图表

  7. 步骤5 • 计算众数、中位数、标准差 众数:475 中位数:457 标准差:74.15

  8. 步骤6 • 作出离散图

  9. 步骤7 • 得出分析结果

  10. 步骤8 • 交作业——早读之前交上去,没交的报到蔡天泽那儿……

More Related