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sigma
This term functions primarily as a technical designation across linguistics, mathematics, and industrial quality control. In its alphabetic sense, it refers to a specific character, while in technical fields, it serves as a shorthand for complex quantitative concepts like summation or variance.
In the context of Six Sigma, the word shifts from a simple symbol to a metric of precision and reliability. It carries a connotation of rigorous standardization and the pursuit of near-perfection in manufacturing processes, where a higher sigma value indicates a lower probability of error.
Meanings
A symbol used in mathematics and statistics to represent the sum of a sequence of numbers.
A symbol used in statistics to represent the standard deviation of a population.
The researcher calculated the sigma to determine the spread of the data.
Examples
The Greek letter sigma is used to denote the sum of a series.
Write the uppercase sigma symbol at the beginning of the equation.
The population standard deviation is represented by the lowercase sigma.
We need to calculate the sigma for this data set to understand the variance.
Our company is implementing a Six Sigma approach to reduce defects.
How many sigma is this process currently operating at?
I wonder if I can remember how to write a sigma in Greek script.
The professor explained that sigma represents the total sum in this context.
The goal of Six Sigma is to achieve near perfection in manufacturing.
The goal of Six Sigma is to achieve near perfection in manufacturing.