sigma


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Related to sigma: Six Sigma

σ

, Σ
1. The 18th letter of the Greek alphabet, sigma.
2. (σ) Symbol for reflection coefficient; standard deviation; a factor in prokaryotic RNA initiation; wavenumber; surface tension.
3. (Σ) Summation of a series.

sig·ma

(sig'mă),
The 18th letter of the Greek alphabet, σ.

sigma

(sĭg′mə)
n.
A sigma factor.

sig′mate′ (-māt′) adj.

sigma

[sig′mə]
Σ, σ, and s, the eighteenth letter of the Greek alphabet.

σ

Abbreviation for standard deviation; reflection coefficient.

sig·ma

(σ,Σ) (sig'mă)
1. The 18th letter of the Greek alphabet.
2. (σ) reflection coefficient;standard deviation; a factor in prokaryotic RNA initiation; surface tension
3. (Σ) Summation of a series.

sig·ma

(sig'mă)
1. The 18th letter of the Greek alphabet (σ, Σ).
2. (σ) reflection coefficient; standard deviation; a factor in prokaryotic RNA initiation; surface tension
3. (Σ) Summation of a series.

sigma

the Greek letter σ or σ; the former frequently denotes a standard deviation, the latter is used in mathematics for the sum of the values of the term nominated.
References in periodicals archive ?
Lean Six Sigma is a lot different from the programs we tried to implement before.
While Six Sigma focuses on reducing product defects, Lean production techniques focus on reducing project cycle time, and on eliminating inefficiency in project cycles.
Design for Six Sigma (DFSS)--This strategy for product development uses a wide range of tools and methodology to provide project management, executives, and engineers the data, risk measures, and design deliverables for each gate in the integrated product development process.
Beginning in 2000, GE and Delahaye worked to test, refine and verify Delahaye's method and to demonstrate that it could provide the consistently reliable data required for the Six Sigma process.
Applying Six Sigma and digitization to this data-intensive analysis makes it exponentially more robust and increases your abilities to consolidate and improve efficiency.
Six Sigma and Process Excellence name their practitioners by borrowing from karate, a highly disciplined Japanese system of self-defense.
Software packages that will be demonstrated on the Six Sigma Software Showcase Tour are:
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LAS VEGAS -- Sigma Designs (Nasdaq:SIGM), a leader in digital media processing for consumer electronics, announced the availability of the Mini-PCI Windeo[R] Reference Design Kit that enables consumer electronics OEM and ODM companies to develop digital entertainment products featuring wireless capability for in-home HD audio/video distribution.
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