IASSC Certified Lean Six Sigma Black Belt (ICBB) — Question 73

Since Normality is required if we intend to use the data collected as a predictive tool. To test for Normality of data we must determine if the P-value is
___________.

Answer options

• A. Equal to 0.05
• B. Less than 0.05
• C. Greater than 0.05
• D. Greater than 0.5

Correct answer: C

Explanation

The correct answer is C, as a P-value greater than 0.05 indicates that the data does not significantly deviate from a normal distribution, allowing us to assume Normality. Options A and B are incorrect because a P-value equal to or less than 0.05 suggests a significant deviation from normality. Option D is also incorrect because while a P-value greater than 0.5 indicates a strong indication of Normality, it doesn't directly relate to the threshold for testing Normality.