Normality
Normal Q–Q plot and Anderson–Darling with estimated parameters, approximate 5% threshold.
Your data
One numeric value per row, 5–200 observations with non-zero variation.
CSV/TXT without a header or pasted from Excel. Separator: semicolon or TAB; decimal separator: dot or comma. Maximum 200 observations in total, not 200 per group. Data is processed in the browser and is not uploaded to the server.
About the calculation
Normal Q–Q plot and Anderson–Darling with estimated parameters, approximate 5% threshold.
Calculations run locally in the browser. Statistical distributions and functions use jStat 1.9.6; values are rounded only for display. For method selection, conditions of use and interpretation criteria, see the “Sources and methodological alignment” section above and any customer-specific requirements.
Ready for your data
Upload a dataset or use the example, then click “Calculate results”. Results will include charts, values and interpretation conditions.