Standard Deviation Symbol. Standard deviation value of random variable x. Mathematics sum of divisors.
Standard deviation value of random variable x. The symbol for standard deviation is σ the greek letter sigma. Standard deviation may be abbreviated sd and is most commonly.
Mathematics sum of divisors.
Middle value of random variable x. Mathematics statistics standard deviation. A low standard deviation indicates that the data points tend to be very close to the mean also called expected value. The sigma symbol σ uppercase sigma σ lowercase sigma is the eighteenth letter of the greek alphabet which is used to represent the symbol for standard deviation in math.
