Question 1

The Central Limit Theorem helps us understand the ___________ we are taking and is the basis for using sampling to estimate population parameters.

Options :

A : Analysis

B : Kurtosis

C : Risk

D : Route

Answer: C

Question 2

When it comes to Control one of the most effective means of eliminating defects is to _________________.

Options :

A : Train personnel often and thoroughly

B : Keep a Six Sigma project going on the process at all times

C : Design defect prevention into the product

D : Have each process consist of no more than five steps

Answer: C

Question 3

A Six Sigma tool that helps to screen factors by using graphical techniques to logically subgroup multiple discrete X's plotted against a continuous Y is known as a _____________Chart.

Options :

A : SIPOC

B : Multi-Vari

C : Box Plot

D : Whisker

Answer: B

Question 4

A Belt concludes a Lean Six Sigma project with the creation of a Control Plan. At what point can the Control Plan be closed?

Options :

A : Never, a Control Plan is a living document

B : As soon as the Champion signs off

C : Within 30 days of the LSS project review team meeting

D : After the project has been presented at the recognition event

Answer: A

Question 5

Due to excessive pollution, GREEN Solutions Inc. is considering subsidizing public transportation to work for its employees. According to the manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work while they use their personal vehicles for their office commute while the 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. Assuming a Normal Distribution for the commute times by either personal or public transportation, which of these is true?

Options :

A : The probability that they would arrive on time using personal vehicles is much higher than using the metro public transportation system (MPTS)

B : The probability that they would arrive on time using the MPTS is much higher than using their personal vehicles

C : The two probabilities are about the same excepting in one case the consistency is higher than the other

D : We need to compile more data around weekends to incorporate for traffic differences

E : When Standard Deviation is higher the probability goes down and so the MPTS is worse

Answer: B

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