Improve (GB)

This sample paper will check your knowledge on Improve phase for LSS Green Belt

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1. Please refer to the Pugh Matrix in Table 5 . Based on this Pugh matrix, which alternative solution is optimum?

Solution B

Solution A

Solution D

Solution C

2. Green Belt wants to ascertain whether % defects post improvement has reduced. What is the most appropriate hypothesis test that the GB should carry out? Consider the sample size to be large

2‐proportion test

ANOVA

F-test

2‐ sample t test

3. Which technique can be used to generate alternative solutions?

Benchmarking

Control Charts

Attribute Agreement Analysis

Pugh Matrix

4. Pilot is important because

It helps us understand risks

Validate expected results

Facilitates buy in

All of the above

5. A supervisor wants to compare the % defectives of two teams. Which hypothesis test should he use?

Chi square test

Bartlett’s test

2-proportion test

2-variance test

6. Which of the following is a method of relying on a panel of experts to anonymously select their responses using a secret ballot process?

Nominal Group Technique

Multi‐voting

Delphi Technique

Pugh Matrix

7. If there are three factors, 2 levels of each factor, how many unique combinations are possible for experimentation?

9

6

8

5

8. To check whether Y has improved, we may compare before and after performance using:

Sigma Level

Cp, Cpk (continuous data)

Hypothesis Testing

All of the above

Benchmark Six Sigma - War Room

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