Standard Deviation Calculator

Standard deviation measures the amount of variation or dispersion in a dataset low standard deviation indicates values are close to the mean while high standard deviation indicates values are spread out It is widely used in finance to measure volatility in manufacturing for quality control and in research to measure data reliability Sample standard deviation n provides an unbiased estimate for population data

Enter your dataset values separated by commas spaces or new lines Select whether your data represents a sample using n or the entire population using The calculator computes standard deviation variance mean median range coefficient of variation and other statistical measures