WGU C720 OPERATIONS AND SUPPLY CHAIN MANAGEMENT
EXAM LATEST 2 VERSIONS 2024-2025 ALL 300 QUESTIONS
AND CORRECT ANSWERS ALREADY GRADED A+
WGU C720 OPERATIONS AND SUPPLY CHAIN MANAGEMENT EXAM 1
QUESTION: A company sells garage doors through a national retailer and contracts with local
installers to complete the installations. The operations manager is responsible for completing
the installations in a 14-day period after the sale. The company will be penalized financially if it
fails to achieve these objectives. The operations manager's daily responsibilities include
contacting installers to expedite orders and ensure deadlines are met.
Which two tools should be used to measure installer performance?
Choose 2 answers - ANSWER-Control charts to measure the time elapsed to completion Run
charts to chart output around the 14-day central tendency
QUESTION: Which quality tool examines patterns, flow, and causes of variation of data points
over time? - ANSWER-Statistical process control
QUESTION: A vice president of a major retailer is trying to reduce the wait time for customers in
the checkout line by appropriately opening checkout lines. To do this, the VP needs to know the
relationship and degree of correlation between monthly customer visits and area population.
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Which tool should be used in this situation? - ANSWER-Scatter plot
QUESTION: Which two company practices reflect the guiding principles of Six Sigma?
Choose 2 answers - ANSWER-A company tries to reduce variation in the quality of products it
offers.
Why would the company use this check sheet? - ANSWER-To develop a Pareto chart identifying
the root causes of engine defects
QUESTION: Which aspect of quality is demonstrated by a vehicle that has a useful life of
165,000 miles? - ANSWER-Durability
QUESTION: A quality improvement team is trying to illustrate to upper management how a
process is varying over time as measurements are collected.
Which two statistical process control (SPC) tools should the team use? - ANSWER-Run charts
and Control charts
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QUESTION: The CEO of a service company wants to change the strategy of the company from
volume sales to high-quality products.
Which philosophy should the CEO implement to emphasize quality over volume? - ANSWER-
Deming's 14 points
A company emphasizes the quality of suppliers because the quality of outputs are determined
by the quality of inputs.
QUESTION: Six Sigma is adopted by a manufacturing company.
How can the company use Six Sigma to establish quality improvement? - ANSWER-There should
be no more than 3.4 defects per million products from a manufacturing company statistically.
QUESTION: A company makes rulers that are designed to be 20 cm in length with allowance
±0.1 cm.
If the actual length of a ruler is 20.2 cm, which factor will the company use to judge the quality
of the length of the rulers? - ANSWER-Conformance
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QUESTION: Which quality management philosophy uses cause-and-effect fishbone diagrams for
root-cause analysis, emphasizes a bottom-up approach to quality, and considers
standardization and quality control to move together in improvement? - ANSWER-Ishikawa's
quality circle
QUESTION: Which quality management philosophy assigns cost to quality, defines quality by
how well a product can be used for its intended purpose, and uses Pareto charts? - ANSWER-
Juran Institute's management theory
QUESTION: A clothing retailer sends out evaluations to customers to rate quality as
"outstanding," "good," "average," and "bad."
If the retailer wants to know the annual frequency of each evaluation category, which tool
should the retailer use? - ANSWER-Histogram
QUESTION: An appliance manufacturer has two factories located around the world, each with
its own capacity:
• F1 can make 8 appliances per day.
• F2 can make 10 per day.
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