Descriptive Statistics Calculators

Summarise a data set: averages for raw and grouped data as in Class 10 and 11, spread with range, standard deviation and variance, and position with z-scores, percentiles, quartiles and the interquartile range with outliers.

Mean Median Mode Calculator

Mean, median and mode, including grouped data.

Range Calculator

Range, mid-range and coefficient of range.

Standard Deviation Calculator

Sample and population standard deviation.

Variance Calculator

Sample and population variance.

Z-Score Calculator

Z-score, percentile and value from z.

Percentile Calculator

Any percentile of a list, and percentile rank.

Quartile Calculator

Q1, median, Q3 and the five-number summary.

IQR Calculator

Interquartile range and outliers.