Sigma vs Stigma - What's the difference?
sigma | stigma |
The name for the eighteenth letter of the Classical]] and Modern Greek, the twentieth letter of Old and [[Ancient Greek, Ancient.
(mathematics) The symbol ? , used to indicate summation of a set or series.
(statistics) The symbol ? , used to indicate one standard deviation from the mean, particularly in a normal distribution.
* 2011 , Paul Rincon, (bbc.co.uk)
A mark of infamy or disgrace.
A scar or birthmark.
(botany) The sticky part of a flower that receives pollen during pollination.
a ligature of the Greek letters sigma and tau, ().
As nouns the difference between sigma and stigma
is that sigma is the name for the eighteenth letter of the Classical and Modern Greek, the twentieth letter of Old and Ancient while stigma is a mark of infamy or disgrace.sigma
English
Noun
(en noun)LHC: Higgs boson 'may have been glimpsed'
- None of the spikes seen by the experiments is at much more than the "two sigma" level of certainty.
A level of "five sigma" is required to claim a discovery, meaning there is less than a one in a million chance the data spike is down to a statistical fluke.
