s
Symbol  Format  Data 

s  Code Point  U+0073 
TeX  s 

SVG 
The Latin letter s is used in statistics to represent the sample standard deviation.
The capital Latin letter S is used in math to represent the partial sum of a series.
The sample standard deviation formula calculates the standard deviation of a sample population. The sample deviation is denoted with the Latin letter s, where the population standard deviation is denoted by the greek lowercase sigma symbol.