Lean Six Sigma Green Belt Certification FREE Lean Six Sigma Green Belt DMAIC: Analyze Phase Techniques Questions and Answers 2

Question 1

Which graphical tool is used in the Analyze phase to visually display the relationship between two continuous variables?

Accepted Answer

Scatter diagram

Answer

A scatter diagram plots paired data points to reveal correlation or patterns between two continuous variables.

Question 2

What is the primary purpose of a hypothesis test during the Analyze phase?

Accepted Answer

To determine if observed differences are statistically significant

Answer

Hypothesis testing determines whether observed differences or relationships in data are statistically significant or due to random chance.

Question 3

In a cause-and-effect (fishbone) diagram, which of the following is NOT a traditional 6M category?

Accepted Answer

Money

Answer

The traditional 6Ms are Manpower, Machine, Method, Material, Measurement, and Mother Nature (Environment), not Money.

Question 4

What does a p-value less than 0.05 typically indicate in the Analyze phase?

Accepted Answer

The null hypothesis should be rejected

Answer

A p-value below 0.05 indicates sufficient evidence to reject the null hypothesis at the 95% confidence level.

Question 5

Which analysis technique compares the means of three or more groups to determine if at least one is significantly different?

Accepted Answer

ANOVA

Answer

Analysis of Variance (ANOVA) tests whether the means of three or more groups differ significantly from each other.

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