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Sigma is used to represent the standard deviation of a dataset. The calculation is rather complex, but if you think of it as the "root of the mean of the squares of the differences" ... rms of differences ... it might make more sense.
Enter "standard deviation" on you search engine of choice for details. Wikipedia has a couple of basic examples, and a whole lot more!
Mu represents the population mean, or "average" - add all the values and divide by how many.
In statistics, you often don't know the population mean, so you take samples and find "x bar", the sample means, then using those to calculate an estimate of the population mean.
What else can I help you with?
Coefficient of Deviation?
Coefficient of deviation (CV) is a term used in statistics. It is defined as the ratio of the standard deviation (sigma) to the mean (mu). The formula for CV is CV=sigma/mu.
What area within one standard deviation between and mu and minus and sigma and and mu plus and sigma?
The answer will depend on the distribution of the variable.
What is sigma in statistics?
Since this is regarding statistics I assume you mean lower case sigma (σ) which, in statistics, is the symbol used for standard deviation, and σ2 is known as the variance.
What does the greek capital sigma symbol mean in statistics?
It means the sum total.
In statistics what is summation?
in statistics, summation denoted by upper case sigma, is used to find the sum of a series of observation in a particular variable.
Coefficient of Deviation?
Coefficient of deviation (CV) is a term used in statistics. It is defined as the ratio of the standard deviation (sigma) to the mean (mu). The formula for CV is CV=sigma/mu.
When was Sigma Mu Sigma created?
Sigma Mu Sigma was created on 1921-03-25.
When was Mu Sigma Rho created?
Mu Sigma Rho was created in 1968.
When was Sigma Alpha Mu created?
Sigma Alpha Mu was created in 1909.
Was there ever Sigma Mu Sigma at Lynchburg College?
Sigma Mu Sigma was definitely at Lynchburg College between 1968-1972.
What is the population of Mu Sigma Inc.?
Mu Sigma Inc.'s population is 2,011.
What is the motto of Sigma Mu Delta?
The motto of Sigma Mu Delta is 'Prevailing Together'.
What is Sigma Mu Delta's motto?
Sigma Mu Delta's motto is 'Praevaleti Uniter'.
When was Beta Mu Sigma created?
Beta Mu Sigma was created on 1987-12-17.
What is Mu Sigma Upsilon's motto?
Mu Sigma Upsilon's motto is 'Women Always United'.
When was Mu Sigma Upsilon created?
Mu Sigma Upsilon was created on 1981-11-21.
When was Mu Sigma Inc. created?
Mu Sigma Inc. was created on 2011-09-27.
