Descriptive statistics for datasets — mean, median, standard deviation, and variance.
Statistics Calculator
Calculate mean, median, mode, standard deviation, and variance from a dataset.
About Statistics Calculator
Statistics Calculator is a free online tool on CalculatorWorld. Calculate mean, median, mode, standard deviation, and variance from a dataset.
Formula
The Statistics Calculator applies standard math calculators formulas based on your inputs to compute statistics calculator instantly.
How to Use
- Open the Statistics Calculator on CalculatorWorld.
- Enter your values in the input fields above.
- Review results — they update automatically as you change inputs.
Example
Use the default values in the calculator above to see a worked example with instant results.
Frequently Asked Questions
How is standard deviation calculated?
Population std dev = √(Σ(x − mean)² / n).
Mean vs median?
Mean is average; median is middle value when sorted. Median is better for skewed data.
Free?
Yes on CalculatorWorld.
How to enter data?
Comma or space separated numbers: 10, 20, 30, 40.
Sample vs population?
This calculator uses population formulas (divide by n).