According to Chebyshev's theorem, at least what percent of any set of observations will be within 1.8 standard deviations of the mean?
回答 (2)
2016-01-28 3:22 am
✔ 最佳答案
1 - 1/(1.8)^2 = 0.69136 ≈ 69.1% ... must fall within 1.8 standard deviations of the mean (see the source link).
2016-01-28 2:29 am
120%
收錄日期: 2021-05-01 16:02:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160127182840AAW8tEN