GAQM Certified Lean Six Sigma Green Belt (CLSSGB) Exam (CLSSGB-001) Free Practice Test

Question 1

Significant variation in process performance is a consequence of several causes that can be classified using terminologies shown here. (Note: There are 2 correct answers).

A. Vital

B. Special

C. Common

D. Uneducated

E. Random

Correct Answer: B,C

Question 2

Measurement error is defined as the effect of all sources of measurement variability that caused an observed or measured value to deviate from the __________.

A. True value

B. Mean

C. Median

D. Standard Deviation

Correct Answer: A

Question 3

To draw inferences about a sample population being studied by modeling patterns of data in a way that accounts for randomness and uncertainty in the observations is known as ____________________.

A. Sequential Inference

B. Inferential Statistics

C. Influential Analysis

D. Physical Modeling

Correct Answer: B

Question 4

With the use of Statistics we define the population to be a large enough sample set of data such that you can analyze it and draw conclusions as to all of the data.

A. False

B. True

Correct Answer: A

Question 5

The proper functioning of a Visual Factory is dependent upon which of these?

A. Availability of visual tools

B. Work space with active 5S

C. Breakthrough projects

D. Technically skilled workers

Correct Answer: A

Question 6

Select all the statements that are true after reviewing the Capability Analysis shown here. (Note: There are 4 correct answers).

A. Majority of the dimensional values are outside of the tolerance than within.

B. The process is out of Control.

C. The Mean of the process moving range is 1.78.

D. The process is properly assumed to be a Normal process.

E. This Capability Analysis used subgroups.

Correct Answer: A,C,D,E

Question 7

For the data shown here a Belt suspects the three grades are supplying the same results. Which statement(s) are true for proper Hypothesis Testing?

A. An appropriate test to test Central Tendency is the Mood's Median test

B. The most appropriate Central Tendency to test is the Means

C. An appropriate test to test Central Tendency is the ANOVA test

D. An appropriate test to test Central Tendency is the Levene's test

Correct Answer: A

Question 8

Nominal Scale data consists of names, labels or categories and cannot be arranged in any mathematical ordering scheme. Complex arithmetic functions cannot be easily applied to Nominal Data:

A. False

B. True

Correct Answer: B

Question 9

A 1-Sample t-test is used to compare an expected population Mean to a target.

A. False

B. True

Correct Answer: B

Question 10

A primary benefit of using a Multi-Vari Chart is it provides a visual presentation of two-way interactions.

A. False

B. True

Correct Answer: B

Question 11

The Empirical Rule is important because it provides an estimate of the probability of an event occurring depending on the Standard Deviation from the Mean.

A. False

B. True

Correct Answer: B

Question 12

The 5 Why Analysis is only useful if the possible independent variable can be broken down into five possible causes.

A. False

B. True

Correct Answer: A

Question 13

Bias in Sampling is an error due to lack of independence among random samples or due to systematic sampling procedures.

A. False

B. True

Correct Answer: B

Question 14

A periodic time frame can be used to arrange for Control Limit and Center Line calculations with good SPC implementation in a process.

A. False

B. True

Correct Answer: B

Question 15

Which of these is Discrete data?

A. Of the 42 people on the bus, 12 went into the station.

B. Train arrived at 4:17 pm.

C. Race car consumed 23 gallons of fuel.

D. It took 3 hours and 32 minutes to complete the marathon.

Correct Answer: A

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GAQM Certified Lean Six Sigma Green Belt (CLSSGB) (CLSSGB-001) Free Practice Test