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D469 / D 469 Pre - Assessment (Latest Update 2025 / 2026) Quality, Continuous Improvement and Lean Six Sigma | Questions and Answers | 100% Correct | Grade A - WGU
Question:
A chemical plant manager is not satisfied with a production process and requests input from plant employees about methods that can be used to make improvements.
Which lean process is the manager using?
Answer:
Kaizen
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Question:
A company is utilizing Six Sigma concepts to streamline its widget production.
What is the primary reason the company is using this strategy?
Answer:
To reduce variability
Question:
An electric car company is deciding whether it should utilize a lean production strategy.
Which characteristic suggests the company would benefit from a lean strategy?
Answer:
There is a low variability of demand
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Question:
A shipping container company wants to use a kanban system to reduce inventory levels. The formula for the number of kanbans is given as N = ( d L + S ) C .
N = number of kanbans d = average demand per unit of time L = lead time S = safety stock C = container size
What happens to the number of kanbans (N) when the container size (C) is doubled, and other parameters are kept constant?
Answer:
Halves
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