CLSSGB Online Practice Questions and Answers

Fractional Factorial designs for an experimental approach are used when ____________ about the multiple metric interaction in a process.

A. Much is known

B. Little is known

C. We don't care

D. Data exists

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?

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

Inferential Statistics is largely about Significance. There are both Practical and _______________ Significance to consider during an analysis of data in a Lean Six Sigma project.

A. Problematic

B. Impractical

C. Usable

D. Statistical

The Six Sigma methodology had its origins at __________________ in the late 1980's when William Smith coined the name for quality related work being done there.

A. Motorola

B. Allied Signal

C. General Electric

D. Honeywell

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

If a Histogram displays two peaks the distribution would likely be _____________.

A. Transformed

B. Multi-skewed

C. Bimodal

D. Bi-attribute

Measurement System Analysis is a procedure used to quantify all ____________ in the method or system used for taking measurements.

A. Totals

B. People involved

C. Variation

D. Summations

For a Cpk value of 1.67 and Cp value of 1, what can be concluded?

A. This process is centered but contains variation

B. Process is well centered and variation is also low

C. Process is not centered and has wide variation

D. There is a calculation error

A plastic box manufacturer is producing 4 types of boxes. A quality engineer is working on reducing the variances of the storage capacity of boxes. To explain the variation of storage capacity across all types of boxes, which method should he use?

A. Random sampling

B. Stratified random sampling

C. Systematic sampling

D. All of these answers are correct

In determining a `process average fraction defective' using inductive or inferential statistics, we are making inferences about _______ based on__________ taken from_________.

A. Statistics, samples, populations

B. Population, samples, statistics

C. Population, samples, populations

D. Sample, statistics, population