Standard Deviation Symbol Statistics. Standard deviation may be abbreviated sd and is most commonly. σ and μ can be taken as subscripts for showing what you have taken as mean or the standard deviation of.
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σ mathematics statistics standard deviation. The symbol for standard deviation is σ the greek letter sigma. The standard deviation is a measure of how spread out numbers are.
So now you ask what is the variance.
Summary of the symbol basically for variance you need to apply the squared symbol s or σ. Summary of the symbol basically for variance you need to apply the squared symbol s or σ. Mathematics sum of divisors. Standard deviation is a statistical measurement in finance that when applied to the annual rate of return of an investment sheds light on that investment s historical volatility.
