Free · Math · Statistics & Probability

Statistics Calculator

Summarize a data set with centre, spread, variance, standard deviation, and sorted values.

  • Checked formula
  • Private in your browser
  • No signup
Calculator inputs

Enter your values

Result

Your calculation

Mean
19.28571429
Median
18
Mode
18
Range
15
Sample standard deviation
5.15474816
Sample variance
26.57142857
Count / sum
7 / 135
Sorted data
12, 15, 18, 18, 21, 24, 27

How to use this calculator

  1. Enter the known values using the units shown.
  2. Choose the calculation you want when more than one method is available.
  3. Calculate, then review the result and the worked formula together.

Private by default

Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.