_critical_value

normtest.filliben._critical_value(sample_size, alpha=0.05)

This function calculates the critical value for the Filliben normality test [1].

Parameters:

sample_sizeint

The sample size. Must be equal or greater than 4;

alphafloat, optional

The level of significance (\(\alpha\)). Default is 0.05;

Returns:

criticalfloat

The critical value of the test;

References

[1]

FILLIBEN, J. J. The Probability Plot Correlation Coefficient Test for Normality. Technometrics, v. 17, n. 1, p. 111-117, 1975.

Examples

>>> from normtest import filliben
>>> sample_size = 7
>>> critical = filliben._critical_value(sample_size, alpha=0.05)
>>> print(critical)
0.899