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Western Governors University *

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SUPPLY AND

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Management

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Jan 9, 2024

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pdf

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25

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12/19/22, 12:44 PM WGU Student Portal https://my.wgu.edu/coaching-report/preassessment-report/v1/studentPidm/1008361/assessmentCode/PHCO/testDate/1655923075 1/25 PRE-ASSESSMENT: OPERATIONS AND SUPPLY CHAIN MANAGEMENT (PHCO) Attempt #1 Status: Not Passed 1. A company that produces motors uses the following check sheet: Why would the company use this check sheet? YOUR ANSWER CORRECT ANSWER To create a control chart to measure the engine assembly process To create a flow chart of the engine assembly process To develop a suppliers, inputs, process, outputs, customers (SIPOC) diagram To develop a Pareto chart identifying the root causes of engine defects 2. A quality improvement team is trying to illustrate to upper management how a process is varying ove time as measurements are collected. Which two statistical process control (SPC) tools should the team use? Choose 2 answers WGU KNOWLEDGE CENTER
12/19/22, 12:44 PM WGU Student Portal https://my.wgu.edu/coaching-report/preassessment-report/v1/studentPidm/1008361/assessmentCode/PHCO/testDate/1655923075 2/25 YOUR ANSWER CORRECT ANSWER Cause-and-effect diagrams Scatter diagrams Histograms Run charts Check sheets Pareto charts Control charts 3. Which aspect of quality is demonstrated by a vehicle that has a useful life of 165,000 miles? YOUR ANSWER CORRECT ANSWER Performance Reliability Features Serviceability 4. 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? YOUR ANSWER CORRECT ANSWER Shewhart’s variation reduction Deming’s 14 points Ohno and Shingo’s kaizen Taguchi’s loss function 5. 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 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
12/19/22, 12:44 PM WGU Student Portal https://my.wgu.edu/coaching-report/preassessment-report/v1/studentPidm/1008361/assessmentCode/PHCO/testDate/1655923075 3/25 orders and ensure deadlines are met. Which two tools should be used to measure installer performance? Choose 2 answers YOUR ANSWER CORRECT ANSWER 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 6. Which quality tool examines patterns, flow, and causes of variation of data points over time? YOUR ANSWER CORRECT ANSWER Quality function deployment Cause-and-effect matrix Students t-test Statistical process control 7. 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? YOUR ANSWER CORRECT ANSWER Pareto chart Control chart Scatter plot Histogram 8. Which two company practices reflect the guiding principles of Six Sigma?
12/19/22, 12:44 PM WGU Student Portal https://my.wgu.edu/coaching-report/preassessment-report/v1/studentPidm/1008361/assessmentCode/PHCO/testDate/1655923075 4/25 Choose 2 answers YOUR ANSWER CORRECT ANSWER 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. A company emphasizes the variety of suppliers because the variety of outputs are determined by the variety of inputs. A company tries to reduce the variety in the kinds of products it offers. 9. Six Sigma is adopted by a manufacturing company. How can the company use Six Sigma to establish quality improvement? YOUR ANSWER CORRECT ANSWER There should be no more than 3.4 defects per million products from a manufacturing company statistically. There should be no more than 6.8 defects per million products from a manufacturing company statistically. There should be no more than 15% of defects per million products from a manufacturing company statistically. There should be no more than 10% of defects per million products from a manufacturing company statistically. 10. 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? YOUR ANSWER CORRECT ANSWER Performance Features Conformance Serviceability Aesthetics
12/19/22, 12:44 PM WGU Student Portal https://my.wgu.edu/coaching-report/preassessment-report/v1/studentPidm/1008361/assessmentCode/PHCO/testDate/1655923075 5/25 11. 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? YOUR ANSWER CORRECT ANSWER Six Sigma Goldratt’s theory of constraints Deming’s 14 points for management Taguchi methods Ishikawa’s quality circle 12. 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? YOUR ANSWER CORRECT ANSWER Deming’s 14 points for management Juran Institute’s management theory Taguchi methods Shewhart cycle Crosby’s “Quality Is Free” 13. 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? YOUR ANSWER CORRECT ANSWER Pareto chart Control chart Scatter plot Histogram
12/19/22, 12:44 PM WGU Student Portal https://my.wgu.edu/coaching-report/preassessment-report/v1/studentPidm/1008361/assessmentCode/PHCO/testDate/1655923075 6/25 14. 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 mus receive 9 appliances each. The cost to deliver appliances from each factory to each distribution center is listed in the table below: Distribution Center 1 Distribution Center 2 F1 $4 $3 F2 $8 $3 Using the factory production constraints and the delivery costs in the above matrix, what is the lowest cost to deliver all 18 appliances to the distribution centers? YOUR ANSWER CORRECT ANSWER $3 $67 $81 $98 $114 15. A children’s clothing retailer is looking to build a store in a city that happens to be close to one of the company’s distribution centers. The retailer opens a retail store on this city’s busiest street, which also has other clothing retailers and a department store. Which two factors were influential in opening this store at this location? Choose 2 answers YOUR ANSWER CORRECT ANSWER Labor productivity Taxes Proximity to customers Cost of labor
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