A normality test done by a Black Belt reveals that the p-value is 0.049. The significance level assumed for testing is 0.05. What should the Black Belt infer?

OPTIONS

• The data is normal bar one or two exceptions
• The data may not follow a normal distribution
• The Box Cox transformation should be used to check the fit
• The data may have to be subjected to further tests.

ANSWER

The data may not follow a normal distribution

EXPLANATION

By following standard rejection conditions.