Rsd Statistics. This wikihow teaches you how to find the relative standard deviation rsd of a range in microsoft excel. The relative standard deviation rsd is expressed in percent and is obtained by multiplying the standard deviation by 100 and dividing this product by the average.
Relative standard deviation is often expressed in terms of percentage. S σ x x 2 n 1 rsd s 100 x. The relative standard deviation rsd is also referred to as coefficient of variation cv in probability theory and statistics.
As the denominator is the absolute value of the mean the rsd will always be positive.
100 s x where. The relative standard deviation rsd is often times more convenient. A formula for relative standard deviation is relative standard deviation rsd s 100 x. Statistical parameter in probability theory and statistics the coefficient of variation also known as relative standard deviation is a standardized measure of dispersion of a probability distribution or frequency distribution.