Lean Six Sigma Yellow Belt Certification Basic 3

Question 1

In Lean, 'kaizen' refers to:

Accepted Answer

Continuous incremental improvement

Answer

Kaizen is a Japanese philosophy meaning continuous, incremental improvement involving all employees.

Question 2

What does 'Cp' measure in process capability analysis?

Accepted Answer

The process spread relative to specification width

Answer

Cp measures whether the process spread (6 sigma) fits within the specification width, ignoring process centering.

Question 3

Which tool would best help a team visualize how work flows through a process and identify bottlenecks?

Accepted Answer

Value stream map

Answer

A value stream map shows the flow of materials and information, making bottlenecks and waste visible.

Question 4

The 'motion' waste in Lean refers to:

Accepted Answer

Unnecessary movement of people or equipment

Answer

Motion waste involves unnecessary physical movement of people or equipment that does not add value.

Question 5

In a normal distribution, approximately what percentage of data falls within one standard deviation of the mean?

Accepted Answer

68%

Answer

The empirical rule states that approximately 68% of data falls within one standard deviation (±1σ) of the mean.

Lean Six Sigma Yellow Belt Certification Practice Test