Pareto Analysis sets priorities for action based on the assumption that roughly 80 percent of problems typically result from 20? percent of the possible caus
Pareto Analysis sets priorities for action based on the assumption that roughly 80 percent of problems typically result from 20
percent of the possible causes. Thus, not all possible causes of problems are equally important. Pareto analysis identifies the
most critical causes of problems so that improvement efforts can be focused where the investment of time, effort, and money will
yield the largest return.
1. How would you identify categories about which to collect information from your customers. For example, specify, categories
that describe possible causes or types of defects?
2. How will you gather data and calculate the frequency of observations in each category for an appropriate time period?
3. How will you sort your categories in descending order based on your percentages?
4. Present your data graphically and identify the vital few categories that account for most of the variation.
5. 8 – 10 slides excluding cover and reference page
6. Two outside sources
7. MLA format
*I WANT TO USE THE BEATS ARTICLE DATA IF POSSIBLE.
https://recordingnow.com/blog/beats-studio-buds-review
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Chapter 6
Managing Quality
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Learning Objectives
6-1 Explain what the concepts of product quality and quality management entail.
6-2 Explain the roles that operations and other functional managers play in determining product quality.
6-3 Apply the core values and typical practices associated with quality management.
6-4 Perform a cost of quality analysis.
6-5 Apply the Six Sigma DMAIC approach to quality improvement.
6-6 Compare and contrast various quality standards and certification programs.
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Learning Objective 6-1
Brand Turnaround at Hyundai—What Hyundai Did
1. Increased the number of workers on the quality control team from 100 to more than 850.
2. Instituted mandatory seminars for all workers on the importance of quality.
3. Invoked the direct involvement of its CEO in twice- monthly meetings comparing Hyundai quality with that of its rivals.
4. Made capital investments in problem areas, including $30 million invested in a computer center to test electronic systems.
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Learning Objective 6-1
Brand Turnaround at Hyundai—Results of Changes
1. Brand loyalty for Hyundai surpassed that of Honda and Toyota to take the No. 1 spot.
2. Five Hyundai cars among Cars.com’s “Best Bets” for safety, reliability, and fuel efficiency.
3. Sonata and Genesis models made Hyundai a strong competitor in the luxury market, where excellent quality is imperative.
4. In 2018 Hyundai and its sister company Kia averaged 122 and 124 problems per 100 vehicles, which placed them in the top 10 for car quality.
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Learning Objective 6-1
Quality Definitions
• Product Quality: fitness for consumption in meeting customers’ needs and desires
• Design Quality: match between designed features and customer requirements
• Conformance Quality: meeting design specifications
• Quality Management: organizationwide quality focus
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Learning Objective 6-1
Dimensions of Quality for Goods and Services
• Quality
– Performance
– Features
– Reliability
– Durability
– Conformance
– Aesthetics
– Support/responsiveness
– Perceived quality
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Learning Objective 6-2
Functional Influences on Product Quality (1 of 3)
Table 6-2 Functional Influences on Product Quality
Functional Personnel Decisions and Activities with Potential Impact on Product
Quality
Marketing managers
Choices of market to pursue and product features to offer
Design of advertising and other programs that communicate product attribute to customers
Development of new product testing programs
Sales managers
Setting of sales targets
Interactions with customers
Interpretations of customers’ needs and desires
Product engineers
Design of product specifications, service elements, dimensional tolerances, etc.
Design of product prototyping procedures
Process engineers
Design of manufacturing and service processes
Choices of technology and associated capabilities and capacity limits
Design of quality assurance tests and procedures
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Learning Objective 6-2
Functional Influences on Product Quality (2 of 3)
Table 6-2 Functional Influences on Product Quality
Functional Personnel Decisions and Activities with Potential Impact on Product
Quality
Finance and accounting managers
Setting of restrictions for equipment purchases
Establishing goals for utilization of facilities and working capital
Design of measures used to assess efficiency and productivity
Human resources managers
Design of hiring criteria and training and development programs
Setting of compensation schemes and incentives
Manufacturing and service operations managers
Design and execution of processing procedures
Design of work policies
Interactions with customers
Management of facilities and equipment
Scheduling of work
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Learning Objective 6-2
Functional Influences on Product Quality (3 of 3)
Table 6-2 Functional Influences on Product Quality
Functional Personnel Decisions and Activities with Potential Impact on
Product Quality
Supply managers
Description of purchase requirements
Selection of suppliers
Establishment of contracts and associated incentives and penalties
Management of and interactions with suppliers
Logistics managers
Selection of transportation providers
Development of tracking and other information systems
Design of packaging, storage, and material handling processes
Management of and interaction with transportation providers
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Learning Objective 6-2
Student Activity (1 of 3)
Ask a marketing professor, a supply chain operations professor, a finance professor, and an engineering professor to give you their definitions of product quality. Compare and contrast the definitions you receive.
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Learning Objective 6-3
Quality Thought Leaders (1 of 2)
• Deming
– Holistic view of responsibility for quality
– Variability as source of most problems
– Importance of customer
• Juran
– Broadened definition of quality
– Focus on change management
– Cost of quality analysis
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Learning Objective 6-3
Quality Thought Leaders (2 of 2)
• Crosby
– Quality is free
– Zero defects
– Focus on incremental change
• Imai
– Kaizen system of continuous improvement
– Intense process-oriented view
– Heavy dependence on frontline worker insights
– Emphasis on worker training and development
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TQM: A “Total” View of Quality
Total Quality Management (TQM): an integrated business management strategy aimed at embedding awareness of quality. The word total has important connotations:
1. A product’s quality is determined by customer’s acceptance and use
2. Quality management is a total, organizationwide activity, rather than a technical task
3. Quality improvement requires a total commitment from all employees
Learning Objective 6-3
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Learning Objective 6-4
Cost of Quality (COQ)
• Prevention Costs
– Costs associated with preventing defects and limiting failure and appraisal costs (e.g., training, improvement projects, data gathering, analysis)
• Appraisal Costs
– Costs associated with inspection to assess quality levels (e.g., staff, tools, training, etc.)
• Internal Failure Costs
– Costs from defects found before delivery to the customer (e.g., rework, scrap, etc.)
• External Failure Costs
– Costs associated with defects found after delivery to customer (e.g., warranty, recall, etc.)
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Learning Objective 6-4
Inverted View of Management
Figure 6-1 Traditional versus Quality Management View of Organizational Structure
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Learning Objective 6-4
TQM Values and Success Factors
Table 6-4 TQM Values and Success Factors
Values that Characterize TQM Factors Affecting the Success of TQM
Holistic view of product quality and its impacts Strong, charismatic leadership
Emphasis on customer requirements
Trust between labor and management
Extended process view of operations
Crisis situation or compelling reason for change
Emphasis on prevention rather than inspection
Adequate resourcing of training and improvement projects
Disdain for variability Clear, well communicated, uncomplicated change process
Data-based decision making (not opinion-based)
Unquestionable success of early efforts
Employee empowerment
Top management support
Supplier involvement
Continuous improvement
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Quality Goes Digital
• Walmart is using the Internet of Things and blockchain to provide visibility of food quality
• Digital developments are changing the cost of quality by raising the cost of external failures
• Using social media, one can post experiences to be read by many viewers
Learning Objective 6-4
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Student Activity (2 of 3)
Search various social media sites and see if you can find posts that address the four different costs included in the cost of quality framework. What is interesting about these postings? How would these postings affect you as a potential customer?
Learning Objective 6-4
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Learning Objective 6-5
Guiding Methodologies: PDCA
Figure 6-2 PDCA in Action
Plan: identify problem and actions for improvement
Do: implement formulated plan
Check: monitor results
Act: take corrective action and institutionalize changes
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Learning Objective 6-5
Guiding Methodologies: Six Sigma (1 of 3)
• Six Sigma: quality improvement through elimination of defects and variation
• Standard Deviation: statistical measure of variation
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Learning Objective 6-5
Guiding Methodologies: Six Sigma (2 of 3)
Table 6-5 How Quality Relates to Sigma
Sigma Level Defects per Million
Units
2σ 308,770
3σ 66,810
4σ 6,209
5σ 233
6σ 3.4
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Learning Objective 6-5
Guiding Methodologies: Six Sigma (3 of 3)
Figure 6-3 The DMAIC Process Source: Copyright © 2009 Dynamic Diagrams.
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Student Activity (3 of 3)
For a candy such as M&Ms, identify the important critical-to-quality characteristics. How would you measure these characteristics objectively? Which of these measures pertain to the physical product itself? Which of these measures relate to the packaging or the services surrounding the good?
Learning Objective 6-5
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Learning Objective 6-5
Guiding Methodologies: DMAIC
DMAIC example: See the cough drop production DMAIC example in your text
• Define: determine critical-to-quality (CTQ) characteristics from customer’s perspective
• Measure: gather data on CTQ processes
• Analyze: determine cause of defects
• Improve: modify processes
• Control: ensure improvements are maintained
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Learning Objective 6-6
Guiding Methodologies: ISO 9000
• ISO 9000: internationally accepted standards for business quality management systems
• ISO 9000 requires:
– fulfilling the customer’s quality requirements, and
– meeting applicable regulatory requirements, while
– enhancing customer satisfaction, and
– achieving continuous improvement of its performance in pursuit of these objectives
http://www.iso.org
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Learning Objective 6-6
The ISO 9001: 2015 Certification Structure (1 of 3)
Table 6-6 The ISO 9001: 2015 Certification Structure
Section Focus/Description
4 Context of the organization
4.1 Understanding the organization and its context.
4.2 Understanding the needs and expectations of interested parties.
4.3 Determining the scope of the quality management system.
4.4 Quality management system and its processes.
5 Leadership
5.1 Leadership and commitment.
5.2 Policy.
5.3 Organizational roles, responsibilities, and opportunities.
6 Planning
6.1 Actions to address risks and opportunities.
6.2 Quality objectives and planning to achieve them.
6.3 Planning of changes.
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Learning Objective 6-6
The ISO 9001: 2015 Certification Structure (2 of 3)
Table 6-6 The ISO 9001: 2015 Certification Structure
Section Focus/Description
7 Support
7.1 Resources.
7.2 Competence.
7.3 Awareness.
7.4 Communication.
7.5 Documented information.
8 Operation
8.1 Operational planning and control.
8.2 Requirements for products and services.
8.3 Design and development of products and services.
8.4 Control of externally provided processes, products, and services.
8.5 Production and service provision.
8.6 Release of products and services.
8.7 Control nonconforming outputs.
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Learning Objective 6-6
The ISO 9001: 2015 Certification Structure (3 of 3)
Table 6-6 The ISO 9001: 2015 Certification Structure
Section Focus/Description
9 Performance evaluation
9.1 Monitoring, measurement analysis, and evaluation.
9.2 Internal audit.
9.3 Management review.
10 Improvement
10.1 General
10.2 Nonconformity and corrective action.
10.3 Continual improvement.
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Managing Quality Summary
1. Quality management strives to achieve superior quality.
2. It is important to integrate quality management into the firm’s strategic activities.
3. Formal certifications confirm that a firm’s major processes have been documented and followed.
4. Many firms use award guidelines to assess the performance of their quality management systems.
5. Service quality management must take into consideration the interpersonal interactions of service providers and customers.
6. Core TQM values are the critical aspects to make quality improvement a success.
,
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Chapter 7
Managing Inventories
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prior written consent of McGraw-Hill Education.7-2
Learning Objectives
7-1 Define the different types and roles of inventory in the supply chain.
7-2 Explain the financial impact of inventory on firm performance.
7-3 Explain and compute asset productivity and customer service–related measures of inventory performance.
7-4 Calculate inventory policy parameters to minimize total acquisition cost in continuous review, periodic review, and single period models.
7-5 Determine the cost of a company’s service level policy.
7-6 Explain the advantages and disadvantages of different inventory location strategies.
7-7 Describe practical techniques for inventory planning and management.
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Learning Objective 7-1
Inventory at PolyCorp
Inventory:
• When do I order?
• How much do I order?
• Where do I deploy the inventory?
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Learning Objective 7-1
Types of Inventory
• Raw materials and component parts: items that are bought from suppliers to use in the production of a product
• Work in process inventory: inventory that is in the production process
• Finished goods inventory: items that are ready for sale to customers
• MRO inventory: maintenance, repair, and operating supplies
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Learning Objective 7-1
Roles of Inventory
• Balancing supply and demand: decouples differences in supply and demand requirements
• Buffers against uncertainties: variation in supply and demand are managed with buffer (safety) stock
• Enabling economies of buying: price discounts or reduced shipping costs
• Enabling geographic specialization: supply and demand locations vary
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Types of Stock
• Cycle Stocks: inventory repeatedly produced/ordered and used to fill demand
• Seasonal Stocks: additional inventories produced in advance of seasonal peak demands or held after seasonal peak supplies
• Buffer (or Safety) Stock: extra inventory held to guard against uncertainty in demand or supply
• Speculative Stock: stock purchased or produced to hedge against future price increases or shortages
Learning Objective 7-1
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Learning Objective 7-1
Student Activity (1 of 6)
Each of the uses of inventory described has a particular cause. For example, safety stock is needed because managers are uncertain about demand or supply. For each inventory type, list the cause(s) and how each cause could be reduced or eliminated, thereby reducing the need for inventory.
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Learning Objective 7-2
Financial Impact of Inventory
Carrying (Holding) Costs Ordering and Setup
Costs Stockout Costs
• Opportunity cost (including cost of capital)
• Storage and warehouse management
• Taxes and insurance • Obsolescence, spoilage, and
shrinkage • Materials handling, tracking,
and management
• Purchased items: placing and receiving orders
• Made items: change- over between items
• Lost sales or customer loyalty
• Expediting • Schedule disruption
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Learning Objective 7-2
Student Activity (2 of 6)
Using your library’s electronic databases or a Web browser, find three articles that describe specific companies and their efforts to reduce inventory. Summarize the different reasons given for the desire to reduce inventory.
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