Standard Deviation Symbol Name. So for instance σx sigma sub x bar is considered as the basic standard deviation of sample means and also known as standard error of the mean. σ x 2.
Mathematics sum of divisors. So for instance σx sigma sub x bar is considered as the basic standard deviation of sample means and also known as standard error of the mean. It is also known as root mean square deviation the symbol used to represent standard deviation is greek letter sigma σ 2.
Standard deviation value of random variable x.
Standard deviation is defined as the square root of the mean of a square of the deviation of all the values of a series derived from the arithmetic mean. Mathematics sum of divisors. Linguistics phonology syllable. Middle value of random variable x.
