Omnibus Normality Test Calculator

Test for normality by combining skewness and kurtosis into a single omnibus test statistic.

Sample Data

Data (comma-separated, min 8 values)

Significance Level (alpha)

Omnibus Statistic

0.9903

Fail to Reject H0: Normal

ZsZ (Skewness)

0.4539

ZkZ (Kurtosis)

-0.8856

pP-Value (Omnibus)

0.609479

cvCritical Value

5.9910

Skewness (g1)0.2633 (p = 1.0000)

Excess Kurtosis (g2)-0.9927 (p = 1.0000)

SE(g1)0.5801

SE(g2)1.1209

Sample Size15

Mean7.3733

Std Dev3.3416