sigma


Also found in: Dictionary, Thesaurus, Legal, Financial, Acronyms, Encyclopedia, Wikipedia.
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.

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.
References in periodicals archive ?
If six sigma sounds like a serious commitment, it is.
In the first interpretation, the use of Six Sigma is mostly tactical.
Six Sigma is a business improvement approach that seeks to find and eliminate causes of defects in business processes by focusing on process outputs that are of critical importance to customers and as a result process performance is enhanced, customer satisfaction is improved, and the bottom-line is affected through savings and increased revenue (Snee, 2004).
Caterpillar CEO Glen Barton started the 6 Sigma culture change in 2001 when he challenged every officer for his or her personal commitment to the program.
As a result of the DMAIC and Lean Sigma efforts, the facility identified the root cause of the problem was not that of finding a bed, as originally thought, but rather reducing the number of steps involved in the transfer process.
At the Sigma Guest Luncheon event, where men of good character, discipline and high
Six Sigma (or Sigma Metrics), continues to be applied by laboratories, external quality assurance (EQA) programs, software vendors, and manufacturers, quite simply because it is useful.
Scholarship, leadership, and service are core values of Sigma as evidenced by their inclusion in the mission statement for the organization.
The 2018 Chicago Northwest Suburban Alumnae Panhellenic Panhellenic Outstanding Alumnae was Mary Kate Lobough, president and a member of Sigma Sigma Sigma.