Statistics

Averages, spread and probability.

• Statistics

  Mean, Median and Mode Calculator

  Enter your numbers separated by commas, spaces or new lines.

• Statistics

  Standard Deviation Calculator

  Enter your numbers and choose population or sample.

• Statistics

  Permutation and Combination Calculator

  Enter n (items to choose from) and r (items chosen).

• Statistics

  Probability Calculator

  Work out a probability from favourable and total outcomes, or combine two independent events (A and B, A or B, neither, exactly one).

• Statistics

  Quartile Calculator

  Find the five-number summary of a data set — minimum, Q1, median, Q3 and maximum — plus the IQR and outliers for a box plot.