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Stay Ahead with Latest CSSYB Six Sigma Yellow Belt Practice Test Questions 2026

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Total 310 Questions | Updated On: Oct 24, 2026

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Question 1

Six Sigma is a methodology that uses...

A : Statistical tools to identify and eliminate variation

B : Statistical tools to identify losses and increase profitability

C : Accounting principles to increase profitability

D : Process review from time to time to transform the business

Answer: A

Question 2

The process that is in statistical control exhibits what type of variation?

A : Random

B : Assignable

C : No variation is there

D : Non-random

Answer: A

Question 3

What is the intended type of use for the FMEA?

A : Proactive process evaluation and mitigation

B : Reactive process evaluation and mitigation

Answer: A

Question 4

A 6 sigma level process is equivalent to a process having ……………. defects per million opportunities.

A : 340

B : 3.4

C : 34

D : 0.34

Answer: B

Question 5

Which of the following does not represent the interquartile range?

A : The difference between the 75th percentile point and the 25th percentile point

B : measure of the middle 50% of the data set

C : The value that exceeds at least 75% of the data set

Answer: C

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Total 310 Questions | Updated On: Oct 24, 2026

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