Statistics Calculator
Summarize a numeric data set with count, sum, mean, median, range and standard deviation.
How it works
Descriptive statistics summarize a dataset but do not establish causation.
Formula and assumptions
This calculator uses the values and units shown above. Results are rounded for display. Confirm inputs and assumptions before relying on a result for academic, engineering or other important decisions.
Example
Try the sample values, calculate, then change one input at a time to see how the result changes.
Frequently asked questions
Are results exact? They depend on the selected formula, input values and rounding. Special cases are reported when possible.
Does this replace professional software? No. Independently verify results for safety-critical or formal work.
For educational and general information. Report an issue.