Stat Tools

Probability Plot

Analyse PhaseGB

Assess how well your data fits a theoretical distribution. Points following the reference line indicate a good fit. Supports Normal, Lognormal, Exponential, and Weibull distributions.

Data Input

Distribution

Data (20 values)

Normal Probability Plot
Good fit (p = 1.000)
-2.1-1.0501.052.1Normal Score (z)11.211.61212.412.8Data Value
Anderson-Darling Normality Test

AD Statistic

0.1509

p-value

1.0000

n

20

Verdict

Normal (p > 0.05)

Fail to reject H₀: data is consistent with a normal distribution. Parametric tests (t-test, ANOVA) are appropriate.

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