2 sigma percentage：標準差
標準差
68–95–99.7 rule
https://en.wikipedia.org
In the social sciences, a result may be considered significant if its confidence level is of the order of a two-sigma effect (95%), while in particle physics, ...
Explained
https://news.mit.edu
Two sigmas above or below would include about 95 percent of the data, and three sigmas would include 99.7 percent. So, when is a particular data ...
Two
https://www.oxfordreference.co
An empirical rule stating that, for many reasonably symmetric unimodal distributions, approximately 95% of the population lies within two standard ...
Understanding Sigma Levels
https://www.managementstudygui
A 2 sigma measure would include 10+/-2(2) i.e. all data points between 6 and ... Percentage Defects. 1, 691462, 69%. 2, 308538, 31%. 3, 66807, 6.7%. 4, 6210, 0.62 ...
What does '2 sigma' mean in statistics?
https://www.quora.com
A 2-sigma level indicates that 95% of the data is within two standard deviations of the mean, while a 3-sigma level means 99.7% of data points are within three ...
What does 5
https://www.zmescience.com
What is one sigma
https://www.quora.com
A 2-sigma level indicates that 95% of the data is within two standard deviations of the mean, while a 3-sigma level means 99.7% of data points are within three ...
What's Your Sigma?
https://itrevolution.com
If you make more than $10 per day (hooray), you are a 1.5-Sigma. Some estimates claim that 80% of the world population lives in poverty making ...