Six Sigma

(redirected from Seven sigma)
Also found in: Dictionary.
Related to Seven sigma: Six Sigma, 6 Sigma
A philosophy that strives to achieve perfection by setting extremely high objectives, collecting data, and analysing results to a fine degree as a way to decrease defects in products and services
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive ?
Six sigma is an arbitrary limit with just as much validity in five sigma or seven sigma levels.
If there are seven sigma to the boundary ([sigma] = 7), then the probability of an error is 2.7 x [10.sup.-10], which is quite small.