Descriptive Statistics Calculator
Enter one dataset and calculate count, sum, mean, median, mode, min, max, range, quartiles, IQR, variance and standard deviation together.
Formula / method
Summary statistics are calculated from the same dataset so related measures can be interpreted together.
How to use
Use data from the same population, sample or study definition and keep paired observations aligned.
What this calculator answers
The Descriptive Statistics Calculator uses the requested values to calculate the requested result. The core method is Summary statistics are calculated from the same dataset so related measures can be interpreted together.. This makes the assumptions visible so you can check whether the inputs match your situation.
How to get a useful result
Use data from the same population, sample or study definition and keep paired observations aligned.
How to interpret it
Statistical output describes the entered sample/model. It does not by itself prove causation, practical significance or that model assumptions are satisfied.
Before relying on the number
Recheck unusual inputs, confirm units and compare the result with any official quote, statement, specification or rule that applies to the real decision. Small changes in rates, time periods or measurements can materially change some results.