tailieunhanh - Lecture Fundamentals of operations management (4/e): Chapter 6S - Davis, Aquilano, Chase

Chapter 6 "Quality control tools for improving processes", after studying this chapter you will be able to: Introduce the different quality control tools that are used in analyzing and improving the quality of processes, describe in detail the two major approaches (that is, acceptance sampling and statistical process control) in which statistical analysis can be used to improve process quality, define the two different types of errors that can occur when statistical sampling is used,. | F O U R T H E D I T I O N Quality Control Tools for Improving Processes © The McGraw-Hill Companies, Inc., 2003 supplement 6 DAVIS AQUILANO CHASE PowerPoint Presentation by Charlie Cook Supplement Objectives Introduce the different quality control tools that are used in analyzing and improving the quality of processes. Describe in detail the two major approaches (that is, acceptance sampling and statistical process control) in which statistical analysis can be used to improve process quality. Define the two different types of errors that can occur when statistical sampling is used. Distinguish between attributes and variables with respect to the statistical analysis of processes. © The McGraw-Hill Companies, Inc., 2003 S6– Supplement Objectives (cont’d) Discuss Taguchi methods and how they are different from traditional statistical quality control methods. Describe the quantitative methodology behind six sigma. © The McGraw-Hill Companies, Inc., 2003 S6– The Basic Quality Control Tools Seven Basic Quality Control (QC) Tools Process flowcharts (or diagrams) Bar charts and histograms Pareto charts Scatterplots (or diagrams) Run (or trend) charts Cause-and-effect (or fishbone) charts Statistical process control © The McGraw-Hill Companies, Inc., 2003 S6– Checksheet for Recording Complaints Exhibit © The McGraw-Hill Companies, Inc., 2003 S6– Checksheet for Group Sizes in a Restaurant Exhibit © The McGraw-Hill Companies, Inc., 2003 S6– Bar Chart of Daily Units Produced Exhibit © The McGraw-Hill Companies, Inc., 2003 S6– Histogram of Hole Diameters Exhibit © The McGraw-Hill Companies, Inc., 2003 S6– Pareto Chart of Factors in an Emergency Room Exhibit © The McGraw-Hill Companies, Inc., 2003 S6– Scatterplot of Customer Satisfaction and Waiting Time in an Upscale Restaurant Exhibit © The McGraw-Hill Companies, Inc., 2003 S6– Run Chart of the Number of Daily Errors Exhibit © The McGraw-Hill . | F O U R T H E D I T I O N Quality Control Tools for Improving Processes © The McGraw-Hill Companies, Inc., 2003 supplement 6 DAVIS AQUILANO CHASE PowerPoint Presentation by Charlie Cook Supplement Objectives Introduce the different quality control tools that are used in analyzing and improving the quality of processes. Describe in detail the two major approaches (that is, acceptance sampling and statistical process control) in which statistical analysis can be used to improve process quality. Define the two different types of errors that can occur when statistical sampling is used. Distinguish between attributes and variables with respect to the statistical analysis of processes. © The McGraw-Hill Companies, Inc., 2003 S6– Supplement Objectives (cont’d) Discuss Taguchi methods and how they are different from traditional statistical quality control methods. Describe the quantitative methodology behind six sigma. © The McGraw-Hill Companies, Inc., 2003 S6– The Basic Quality .