Sample standard deviation
Encyclopedia
A sample standard deviation is an estimate, based on a sample, of a population standard deviation
. See:
Standard deviation
Standard deviation is a widely used measure of variability or diversity used in statistics and probability theory. It shows how much variation or "dispersion" there is from the average...
. See:
- Standard deviation#Estimation
- Sample mean and sample covarianceSample mean and sample covarianceThe sample mean or empirical mean and the sample covariance are statistics computed from a collection of data on one or more random variables. The sample mean is a vector each of whose elements is the sample mean of one of the random variables that is, each of whose elements is the average of the...