sigma
IPA: sˈɪgmʌ
noun
- The eighteenth letter of the Classical and Modern Greek alphabets, the twentieth letter of Old and Ancient.
- (mathematics) The symbol Σ, used to indicate summation of a set or series.
- (statistics) The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.
- Clipping of sigma male. [(Internet slang, neologism) A self-reliant and assertive male who occupies a position outside a social or group hierarchy; a lone wolf or maverick.]
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Examples of "sigma" in Sentences
- If it does not change sign it is sigma.
- But a topology is hardly a sigma algebra.
- And no, not every measure is sigma finite.
- Ditolylguanidine is a sigma receptor agonist.
- Sigma antagonists potentiate opiate analgesia in rats.
- I called sigma support line and they gave mixed opinions.
- Or perhaps the second Sigma is the argument of the first Sigma.
- The Magna, like its forebear the Sigma, was based on the Galant.
- The sigma symbol is handy for representing the addition of several numbers.
- Much of his sporadic work of the 1960s was collected as The Sigma Portfolio.
- The dating of all the imperial decrees hinge on the 3 barred sigma doctrine.
- Usually we demand five sigma, that is five standard deviations from the peak, to claim “discovery.”
- "Three sigma" is a manufacturing concept used to control processes, a concept that I am intimately familiar with.
- This significance is 3.8 sigma, which is comparable to the UTfit difference, although in a totally different process.
- Summers quoted at Marginal Revolution rationalized by talking about the gender ratios at 3.5-4 sigma, which is above the 99.9th percentile.
- He was as honorably decorated as any of the American Joint Chief’s of Staff; even wearing his gold colored in sigma upon his green military cap.
- Often, that level of probability is arbitrarily set to a value like 95%, or two standard deviations, two sigma, which is about 98% for a normal distribution.
- Also, I believe Toyota is six sigma, which is less than 3.4 errors/1 million chances or 00. 00034%, so they would tear their arms out if they were at 00.04%. —
- The standard of comparison, 125 [sigma], is shorter than most of the reaction times recorded, but since the time measured was always that from the breaking to the making of the circuit passing through the chronoscope it cannot be urged that there were errors resulting from the difference of magnetization which was caused by variations in the reaction time.
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