WGU C720 ACTUAL EXAM QUESTIONS
AND ANSWERS COMPLETE SOLUTION
VERIFIED
●● Which aspect of quality is demonstrated by a vehicle that has a
useful life of 165,000 miles?
Performance
Reliability
Features
Durability
Answer: Durability
●● 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?
Choose 2 answers
Cause-and-effect diagrams
,Scatter diagrams
Histograms
Run charts
Check sheets
Pareto charts
Control charts
Answer: Control charts
Run charts
●● 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?
Shewhart's variation reduction
Deming's 14 points
Ohno and Shingo's kaizen
Taguchi's loss function
Answer: Deming's 14 points
●● 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 that should be used to measure installer performance?
Choose 2 answers
Control charts to measure the time elapsed to completion
Fishbone diagram to chart the method, material, machine, and
manpower
Gantt chart to measure how much performance has improved
Run charts to chart output around the 14-day central tendency
Answer: Control charts to measure the time elapsed to completion
Run charts to chart output around the 14-day central tendency
●● Which quality tool examines patterns, flow, and causes of variation
of data points over time?
Quality function deployment
Cause-and-effect matrix
Students t-test
, Statistical process control
Answer: Statistical process control
●● 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.
Which tool should be used in this situation?
Pareto chart
Control chart
Scatter plot
Histogram
Answer: Scatter plot
●● Which two company practices reflect the guiding principles of Six
Sigma?
Choose 2 answers
A company tries to reduce variation in the quality of products it offers.
AND ANSWERS COMPLETE SOLUTION
VERIFIED
●● Which aspect of quality is demonstrated by a vehicle that has a
useful life of 165,000 miles?
Performance
Reliability
Features
Durability
Answer: Durability
●● 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?
Choose 2 answers
Cause-and-effect diagrams
,Scatter diagrams
Histograms
Run charts
Check sheets
Pareto charts
Control charts
Answer: Control charts
Run charts
●● 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?
Shewhart's variation reduction
Deming's 14 points
Ohno and Shingo's kaizen
Taguchi's loss function
Answer: Deming's 14 points
●● 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 that should be used to measure installer performance?
Choose 2 answers
Control charts to measure the time elapsed to completion
Fishbone diagram to chart the method, material, machine, and
manpower
Gantt chart to measure how much performance has improved
Run charts to chart output around the 14-day central tendency
Answer: Control charts to measure the time elapsed to completion
Run charts to chart output around the 14-day central tendency
●● Which quality tool examines patterns, flow, and causes of variation
of data points over time?
Quality function deployment
Cause-and-effect matrix
Students t-test
, Statistical process control
Answer: Statistical process control
●● 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.
Which tool should be used in this situation?
Pareto chart
Control chart
Scatter plot
Histogram
Answer: Scatter plot
●● Which two company practices reflect the guiding principles of Six
Sigma?
Choose 2 answers
A company tries to reduce variation in the quality of products it offers.
