IASSC Certified Lean Six Sigma Black Belt (ICBB) — Question 81

Which of these is not a primary cause for Non-normal Data?

Answer options

• A. Skewness
• B. Mixed Distributions
• C. Kurtosis
• D. Formulosis
• E. Granularity

Correct answer: D

Explanation

The correct answer is D. Formulosis is not a recognized term in statistics related to data distribution, whereas skewness, mixed distributions, and kurtosis are all well-known factors that can lead to non-normal data. Granularity, while not a primary cause, can refer to the level of detail in data but does not directly affect its normality.