Operations and Supply Chain Management C720-WGU Exam Study Guide Graded A 2024

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? - Cause-and-effect diagrams Scatter diagrams Histograms Run charts Check sheets Pareto charts Control charts Answer: Run charts Control charts Which aspect of quality is demonstrated by a vehicle that has a useful life of 165,000 miles? - Performance Reliability Features Serviceability Answer: Reliability 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? - Performance Features Conformance Serviceability Aesthetics Answer: Conformance 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? - Deming's 14 points for management Juran Institute's management theory Taguchi methods Shewhart cycle Crosby's "Quality Is Free" Answer: Juran Institute's management theory 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? - Pareto chart Control chart Scatter plot Histogram Answer: Histogram A rental company has a fleet of 50 cars that can be rented daily if all vehicles have been washed and inspected and are free of mechanical and electrical defects. Due to maintenance requirements and late returns by customers, the rental company is, in general, able to prepare 45 cars per day for rental. On average, 30 cars are rented daily. What is the efficiency rate for this company? - 30% 40% 60% 67% Answer: 67% An auto service center that specializes in oil changes has two service bays that serve, on average, a total of 24 cars per eight-hour business day. On average, each bay can finish one oil change in 30 minutes. What is the design capacity? - 24 oil changes 30 oil changes 32 oil changes 48 oil changes Answer: 32 Oil Changes 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. The factories can deliver to two different distribution centers. Every day each distribution center must receive 9 appliances each.