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.

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.
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References in periodicals archive ?
If six sigma sounds like a serious commitment, it is.
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Six Sigma is one of the most powerful tool to improve laboratory quality management.
IMPLEMENTATION OF SIGMA METRICS FOR EVALUATION OF ANALYTICAL QUALITY IN CLINICAL BIOCHEMISTRY LABORATORY OF A TERTIARY CARE HOSPITAL

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