WGU C720 – Questions and Answers
Latest 2022 Rated A
Why would the company use this check sheet? ✔✔To develop a Pareto chart identifying the root
causes of engine defects
Which aspect of quality is demonstrated by a vehicle that has a useful life of 165,000 miles?
✔✔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? ✔✔Run charts and Control
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? ✔✔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 should be used to measure installer performance?
, Choose 2 answers ✔✔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?
✔✔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? ✔✔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.
A company emphasizes the quality of suppliers because the quality of outputs are determined by
the quality of inputs.
Six Sigma is adopted by a manufacturing company.
How can the company use Six Sigma to establish quality improvement? ✔✔There should be no
more than 3.4 defects per million products from a manufacturing company statistically.
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? ✔✔Conformance
Latest 2022 Rated A
Why would the company use this check sheet? ✔✔To develop a Pareto chart identifying the root
causes of engine defects
Which aspect of quality is demonstrated by a vehicle that has a useful life of 165,000 miles?
✔✔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? ✔✔Run charts and Control
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? ✔✔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 should be used to measure installer performance?
, Choose 2 answers ✔✔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?
✔✔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? ✔✔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.
A company emphasizes the quality of suppliers because the quality of outputs are determined by
the quality of inputs.
Six Sigma is adopted by a manufacturing company.
How can the company use Six Sigma to establish quality improvement? ✔✔There should be no
more than 3.4 defects per million products from a manufacturing company statistically.
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? ✔✔Conformance
