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Keyboards: Point Estimate for Difference - Intro to Inferential Statistics

  • 0:00 - 0:06
    因为点估计是基于样本的 差异点估计将等于
  • 0:06 - 0:12
    5.08-7.8 结果为 -2.72
  • 0:12 - 0:16
    但我们依然想知道这个与其他差异的对比结果
  • 0:16 - 0:19
    所以需要算出差异的标准误差
Title:
Keyboards: Point Estimate for Difference - Intro to Inferential Statistics
Description:

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Video Language:
English
Team:
Udacity
Project:
UD201 - Intro to Inferential Statistics
Duration:
0:19

Chinese, Simplified subtitles

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