Lean Six Sigma Yellow Belt Certification Assessment 4

Question 1

Which of the following is an example of a 'leading indicator' used in Lean Six Sigma process assessment?

Accepted Answer

In-process temperature readings monitored in real time

Answer

Leading indicators are real-time or predictive measures that allow teams to take corrective action before defects reach the customer.

Question 2

A team measures the same part five times with the same operator and gets five different readings. This variation is called:

Accepted Answer

Repeatability

Answer

Repeatability refers to the variation seen when one operator measures the same part multiple times with the same instrument.

Question 3

What does a run chart primarily help assess in a process?

Accepted Answer

Trends, shifts, or patterns in process data over time

Answer

A run chart plots data in time sequence to reveal trends, cycles, or shifts that indicate process changes over time.

Question 4

In a waste assessment, which of the following best represents the waste of 'waiting'?

Accepted Answer

An operator standing idle while a machine completes its cycle

Answer

Waiting waste occurs when people, materials, or equipment are idle between process steps, adding time without adding value.

Question 5

A Yellow Belt is assessing data normality before applying certain statistical tools. Which tool is commonly used for this?

Accepted Answer

Probability plot (e.g., normal probability plot)

Answer

A normal probability plot or Anderson-Darling test checks whether data follows a normal distribution, which is required for many statistical analyses.

Lean Six Sigma Yellow Belt Certification Practice Test

Lean Six Sigma Yellow Belt Certification Practice Test

Lean Six Sigma Yellow Belt Certification Assessment 4