How to test Normality using Minitab

By StatNob - March 21, 2020


Normality test is used to determine if the variable is normally distributed. Doing this test is easy in Minitab.

Follow these simple steps:
 (See the screenshots)


1) Click Stats........Basic Statistics............Normality test
 

2) Click on the most top empty box of the window, then click on your variable, click select then choose any test among
Anderson-Darling, Ryan-Joiner, Kolmogorov-Smirnov
 

3) Make decision by looking at p-values.
Decision rule: If you see p-value less than 0.05, you conclude that variable is NOT normal.
 



Normality Test Minitab



Normality test using Minitab
Interpretation normality test Minitab

 By looking at p-value, you can observe that my variable ''Income'' is not normally distributed


Non-normal cat


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