# Lean Six Sigma Green Belt Quiz Questions and Answers

### The six sigma philosophy which is used to improve effectiveness of the process is?

• Reducing Variation

Explanation :

Reduction of variability is Six Sigma philosphy

### The six sigma philosophy which is used to improve effectiveness of the process is_______.

• Reducing Variation

Explanation :

Reduction of variability is Six Sigma philosphy

### In case of dispute, in Lean Culture, we must solve it in the favour of the following.

• End Customer

Explanation :

Lean is all about the end customer experience

### We perform Kruskal Wallis test in case Y is non random. Which of the following test is substituted?

• One Way ANOVA

Explanation :

Failures of ANOVA is tested on Kruskal Wallis

### Please conclude: Upon statistical analysis, p value suggests 0.032. What would be the action taken?

• Reject Ho & Accept Ha

Explanation :

Reject Ho & Accept Ha when p value < 0.05

### Which one out of the following is NOT a tool to collect VOC for a Lean Six Sigma project implementation?

• Feedbacks

Explanation :

Rational Subgrouping is method of sampling

### Martha does Sales Performance Evaluation of 5 of the managers to find the most appropriate candidate for promotion. Which statistical test would be appropriate?

• One Way ANOVA

Explanation :

Comparing average of more than 2 groups

### Post research it was observed that Sales improved significantly with better lighting conditions (by increasing Lumens) in the shopping mall. Which of the following test can confirm the same?

• Correlation

Explanation :

X & Y numerical tested on correlation

### During Gage Evaluation, the % study variation for Total Gage R& R was recorded as 19%, the repeatability as 2% and reproducibility as 13%. What problem do we have in the measurement system?

• Operator

Explanation :

% Study Variation < 10% is acceptable