GAQM CLSSGB-001 Practice Exams
Last updated on Oct 22,2026- Exam Code: CLSSGB-001
- Exam Name: Certified Lean Six Sigma Green Belt (CLSSGB)
- Certification Provider: GAQM
- Latest update: Oct 22,2026
Skewed, or Mixed, Distributions occur when data comes from several sources that are supposed to be the same yet are not.
- A . True
- B . False
The following Business Case is constructed properly. “In business unit A there are too many flashlight returns and flashlight sales have decreased by 25 percent.”
- A . True
- B . False
Hypothesis Testing can help avoid high costs of experimental efforts by using existing data.
- A . True
- B . False
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 . True
- B . False
Lean removes many forms of ______________ so Six Sigma can focus on reducing _______________.
- A . Waste, variability
- B . Inventory, defects
- C . Waste, cost
- D . Movement, variation
Training cost is $4,000 and a project required an initial investment of $30,000. If the project yields monthly savings of $2,000 beginning after 3 months, what is the payback period in months (before money costs and taxes)?
- A . 10
- B . 20
- C . 27
- D . 33
The generation of a Regression Equation is justified when we _____________. (Note: There are 4 correct answers).
- A . Expect the relationship to be Linear between the output and inputs
- B . Know that there is a non-linear relationship between output and input(s)
- C . Need to understand how to control a process output by controlling the input(s)
- D . Experience several process defects and have no other way to fix hem
- E . When it is very expensive or too late to measure the output
According to a manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work when they use their personal vehicles for their office commute while management set a policy of not more than 40 minutes for their daily one-way commute. A survey conducted one day on 70 employees showed an average of 34 minutes commuting time using the metro public transportation system with a Standard Deviation of 21 minutes.
For the employees choosing to increase their chances to come on time using personal transportation their variation should be reduced to ___________?
- A . 1 minute
- B . 6 minutes
- C . 3.5 minutes
- D . Eliminate it to 0.0 minutes
In the late 1980’s William Smith coined the name Six Sigma for a methodology that had its origins at __________________ for quality related work being done there.
- A . Honeywell
- B . Allied Signal
- C . General Electric
- D . Motorola
Lean Six Sigma’s general approach to solving significant challenges related to a process is called _________________.
- A . DOE
- B . SIPOC
- C . DMAIC
- D . FMEA