Home » Certification Exams Questions » A normality test on distribution identifications reveals the below findings in a summary. These only have significant findings. What should the Black Belt do? Distribution p-value Normal 0.024 3-Parameter Weibull 0.080 Log-normal 0.052 Box Cox 0.460

A normality test on distribution identifications reveals the below findings in a summary. These only have significant findings. What should the Black Belt do? Distribution p-value Normal 0.024 3-Parameter Weibull 0.080 Log-normal 0.052 Box Cox 0.460

OPTIONS

Choose normal after transforming data
Choose 3-Parameter Weibull
Choose Log-Normal
Can’t decide

ANSWER

Choose normal after transforming data

EXPLANATION

The Box Cox distribution has the best fit value here. So, the Black Belt should transform the data.

«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?

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