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Pearson Median Skewness Calculator — result sheet
Calculate Pearson’s second skewness coefficient from the mean, median, and standard deviation.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Pearson skewness=3×(mean−median)/standard deviation.
The sign indicates which center is larger, while the magnitude gives a standardized descriptive asymmetry signal.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Mean — minimum -1000000000000; maximum 1000000000000
- Median — minimum -1000000000000; maximum 1000000000000
- Standard deviation — minimum 1.0E-6; maximum 1000000000000
Worked example
| Input | Value |
|---|---|
| Mean | 100 |
| Median | 95 |
| Standard deviation | 15 |
Pearson skewness =1.
Assumptions and limits
- Mean, median, and standard deviation use the same units and dataset.
- The standard deviation is positive.
- The coefficient is descriptive and does not identify a distribution or prove a modeling assumption.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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