sigma

[US]/'sɪgmə/
[UK]/'sɪɡmə/
Frequency: Very High

Translation

n. The 18th letter of the Greek alphabet.
Word Forms
Pluralsigmas

Phrases & Collocations

sigma value

six sigma

Example Sentences

The deta-sigma ADC is composed of analog deta-sigma modulator and decimator.

The Six Sigma Black Belt should be able to read values from a cumulative frequency ogive.

57. The Six Sigma Black Belt should be able to read values from a cumulative frequency ogive.

The THFA product of hydrogenation in common pressure has been used in enzymatic reaction and expressed the same result as that of THFA from Sigma, the cost of reduction by hydroborates is lower.

The standard deviation is the square root of the variance, which is the square of sigma.

In statistics, sigma represents the population standard deviation.

The formula for calculating the standard deviation involves sigma and the mean.

Sigma notation is commonly used in mathematics to represent sums.

The symbol sigma is derived from the Greek alphabet.

The value of sigma can provide insights into the variability of a data set.

When conducting hypothesis testing, sigma is often used in calculations.

The sigma level is a measure of process performance in Six Sigma methodology.

The lower the sigma level, the higher the probability of defects in a process.

Sigma values can be used to assess the quality and consistency of products.

Real-world Examples

The 2 sigma comes from two standard deviation, sigma, the symbol for standard deviation.

Source: TED Talks (Video Version) Bilingual Selection

So this is the capital Greek letter sigma right over here, it's shorthand math, math shorthand for sum.

Source: Gates Couple Interview Transcript

This could apply to females as well, of course, called the 'sigma female'.

Source: The meaning of solitude.

When I started this channel I made a highly criticized video about an idea called the sigma male.

Source: The meaning of solitude.

Four sigma is like one in 10,000 chance that it's just noise that created this correlation across the pulsars.

Source: Scientific 60 Seconds - Scientific American August 2023 Compilation

So sigma is kind of the Greek-letter equivalent of s.

Source: Khan Academy: Statistics (Video Version)

And that's the same thing as sigma squared of y.

Source: Khan Academy: Statistics (Video Version)

And a long string of sequential terms added together is collapsed into a capital sigma.

Source: TED-Ed (video version)

But the sigma right here, that is just the standard deviation of the distribution.

Source: Khan Academy: Statistics (Video Version)

This straightforward sort of bond is called a sigma bond.

Source: Crash Course Comprehensive Edition

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