Shapiro-Wilk Test Calculator

Test whether sample data comes from a normally distributed population.

Sample Data

Note: The Shapiro-Wilk test is most reliable for sample sizes between 3 and 50.

Shapiro-Wilk W Statistic

0.9926

Fail to Reject H0: Normal

pP-Value
0.999992
cvCritical Value
0.8690
g1Skewness
-0.0265
g2Kurtosis
-1.3499

Sample Statistics

Sample Size10
Mean5.4600
Std Dev1.9823
Z-Score-4.2374

Interpretation

W is close to 1, suggesting data is approximately normal.