EBK OM
6th Edition
ISBN: 9781305888210
Author: Collier
Publisher: YUZU
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Chapter 15, Problem 11PA
Summary Introduction
Interpretation: ParetoDiagram needs to be plotted based on the given data.
Concept Introduction:The Pareto Diagram is based on Pareto Principle which states that 80% of the problems can be eliminated by solving only 20% of the problems.
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Custom Fabrication recorded the following information on their defects from their Quality Control Department last month. Software Error 69, Machine error 19, Material Defect 27, Operator error 36, Blueprint error 9, Handling damage 12. Using Pareto Analysis, what is the percentage of defects from the top two errors? Round your answer correctly to ONE decimal place.
Case Study 2: Quality Management Your line manager has become increasingly concerned about the product and service quality. This results from a surge in the number of customers who have contacted her to highlight problems they have encountered while shopping at the Pet Kingdom store. The complains seem to focus on two areas; billing errors being made at the checkout and variations in the weight of Pet Kingdom branded dried dog food bags. To better understand the situation, Ms Lionheart has requested detailed data to be collected. Table 3 shows the data from the audit of 50 random bills per day issued over the past 30 days. Table 4 presents the weight sampling data (mean and range in kg) for 27 random samples of five observations each taken from the daily dog food deliveries. Ms Lionheart noticed that the number of billing errors increased in the last third of the month. She knows that the company wants high quality standards and wonders if both processes meet 3 sigma standards. She…
Case Study 2: Quality Management Your line manager has become increasingly concerned about the product and service quality. This results from a surge in the number of customers who have contacted her to highlight problems they have encountered while shopping at the Pet Kingdom store. The complains seem to focus on two areas; billing errors being made at the checkout and variations in the weight of Pet Kingdom branded dried dog food bags. To better understand the situation, Ms Lionheart has requested detailed data to be collected. Table 3 shows the data from the audit of 50 random bills per day issued over the past 30 days. Table 4 presents the weight sampling data (mean and range in kg) for 27 random samples of five observations each taken from the daily dog food deliveries. Ms Lionheart noticed that the number of billing errors increased in the last third of the month. She knows that the company wants high quality standards and wonders if both processes meet 3 sigma standards. She…
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