Statistics Calculators

All statistics calculators in one place.

Calculate the mean (average) of a data set.

Calculate the median of a data set.

Calculate the mode of a data set.

Calculate population and sample standard deviation from any data set.

Calculate population and sample variance from any data set.

Calculate the Z-score (standard score) from a raw score, mean, and standard deviation.

Calculate the Pearson correlation coefficient (r) from paired x, y data.

Calculate the linear regression line equation (y = mx + c) and R² from paired x, y data.