Standard Deviation
GeneralStatistical Measure of Data Variability
A measure of how spread out values in a dataset are around the mean โ a low standard deviation means data points cluster tightly; a high one means they are widely dispersed.
Related Calculators
Standard Deviation Calculator โCalculate mean, variance, and standard deviation for any dataset instantly. Enter comma-separated numbers to get population and sample statistics.
Statistics Calculator โCalculate mean, median, mode, range, and standard deviation for up to 10 numbers instantly. Essential for students, data analysts, and researchers.
Z-Score Calculator โCalculate z-score, percentile rank, and probability for any data point. Enter value, mean, and standard deviation to find its distribution position.