GAQM Lean Six Sigma Black Belt Certification CLSSBB New Questions

Certified Lean Six Sigma Black Belt (CLSSBB) Questions and Answers

Question 45

The Central Limit Theorem states that the distribution of sample means approximates a normal distribution if:

the population is normally distributed

the sample is normally distributed

the sample is randomly selected

the sample size is sufficiently large

the means are carefully calculated

Question 46

A team wants a technique for displaying the connection between various customer needs and various features on a product. They should use:

written and diagrammed work instructions

flow charts and process maps

cause and effect diagrams

Pareto chart

relationship matrix

Question 47

Customer segmentation refers to:

dividing a particular customer into parts that are more easily understood

grouping customers by one or more criteria

maintaining secure customer listings to minimize communication among them

eliminating or “cutting off” customers with poor credit history

Question 48

A random sample is selected from a population of measurements. The mean of the sample is not equal to the mean of the population. This is due to:

Type I error

Type II error

sampling error

the population is not normal

measurements were not exact