Statistics & graphs · SL/HL
Mean, Median, Mode & Range Calculator
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Your values
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Calculated locally. No account or input upload.
Result & working
ExampleThe calculator is loading. The worked example is also shown below.
Step-by-step working
The formula
mean = Σx/n
range = maximum − minimum
| Symbol | Meaning |
|---|---|
| median | Middle value after sorting. |
| mode | Most frequent value(s), if any repeat. |
When to use this calculator
Use summary statistics only after checking the raw data for transcription errors and biologically meaningful outliers.
Worked example
The page opens with these example values. The result below is pre-generated for reference.
- n = 6
- mean = Σx/n = 72.2 / 6 = 12.03333
- median = 12
- range = 12.4 − 11.8 = 0.6
mean = 12.03333
Common mistakes
- The mean can be sensitive to skew and extreme values.