Math
Summation Symbol
Represents the sum of a sequence of terms.
σ Math reference
Probability, averages, distributions, and statistical notation.
Math
Represents the sum of a sequence of terms.
Statistics
A copyable Unicode text character known as the greek small letter sigma.
Statistics
A copyable Unicode text character known as the greek small letter mu.
Statistics
A copyable Unicode text character known as the greek small letter chi.
Statistics
A copyable Unicode text character known as the greek small letter rho.
Statistics
A copyable Unicode text character known as the x-bar.