OPERATIONS MANAGEMENT CUSTOM ACCESS
OPERATIONS MANAGEMENT CUSTOM ACCESS
11th Edition
ISBN: 9780135622438
Author: KRAJEWSKI
Publisher: PEARSON EDUCATION (COLLEGE)
bartleby

Concept explainers

Question
Book Icon
Chapter 3, Problem 20P

(a)

Summary Introduction

Interpretation: As there was a concern pertaining to appearance and accuracy of itineraries, in a travel agency, wherein the defects includes errors in reservation numbers, flight numbers, charge card numbers, airlines, timings, accommodation facilities, information regarding car rentals, prices and even typographical errors, it measures the count of errors that occurs, and the process gave findings that for every itinerary, there was an average error of three numbers. The two-sigma control limits for these defects needs to be determined.

Concept Introduction: The graph showing a sample is within the statistical control limits or not is called a Control Chart.

(b)

Summary Introduction

Interpretation: As there was a concern pertaining to appearance and accuracy of itineraries, in a travel agency, wherein the defects includes errors in reservation numbers, flight numbers, charge card numbers, airlines, timings, accommodation facilities, information regarding car rentals, prices and even typographical errors, it measures the count of errors that occurs, and the process gave findings that for every itinerary, there was an average error of three numbers. The information regarding a client who is scheduled for a trip to Dallas, wherein her itinerary contained six errors needs to be interpreted.

Concept Introduction: The graph showing a sample is within the statistical control limits or not is called a Control Chart.

Blurred answer
Students have asked these similar questions
Representatives of the Patriot Insurance Company take medical information over the telephone from prospective policy applicants prior to a visit to the applicant’s place of residence by a registered nurse who takes vital sign measurements. When the telephone interview has incorrect or incomplete information, the entire process of approving the application is unnecessarily delayed and has the potential of causing loss of business. The following data were collected to see how many applications contain errors. Each sample has 200 randomlyselected applications. Sample Defects Sample Defects 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 20 18 29 12 14 11 30 25 27 16 25 18 25 16 20 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 15 40 35 21 24 9 20 17 28 10 17 22 14 19 20 a. What are the upper and lower control limits of a p-chart for the number of defective applications? Use z = 3.b. Is the process in statistical control?
A six-sigma green belt candidate finds P/T ratio of his gauge as 0.632. The gauge has no bias. He tried improving his gauge precision, but failed to do so. He plans to use averages of repeated measurements in his quality improvement project. How many repeated measurements does he need to make on a part to have a P/T ratio of 0.200 based on the measurement averages? Answer:
Boston Electric Generators has been getting many complaints from its major customer, Home Station, about the quality of its shipments of home generators. Daniel Shimshak, the plant manager, is alarmed that a customer is providing him with the only information the company has on shipment quality. He decides to collect information on defective shipments through a form he has asked his drivers to complete on arrival at customers' stores. The forms for the first 283 shipments have been turned in. They show the following over the past 8 weeks: Reason for Defective Shipment A. 50- 40- 30- 20- 10- 0- Number of defects A B C D A: Incorrect bill of lading B: Trucks late C: Incorrect truckload D: Damaged product O B. Week 1 This exercise contains only part c. c) Choose the correct Pareto chart for the type of defects that have occurred. 50- 40- 30- 20- 10- 0- 2345∞ 6 7 8 No. of Shipments 23 29 30 37 35 42 元 41 46 Number of defects A B C D A: Incorrect bill of lading B: Trucks late C: Damaged…
Knowledge Booster
Background pattern image
Operations Management
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Practical Management Science
Operations Management
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:Cengage,
Text book image
Operations Management
Operations Management
ISBN:9781259667473
Author:William J Stevenson
Publisher:McGraw-Hill Education
Text book image
Operations and Supply Chain Management (Mcgraw-hi...
Operations Management
ISBN:9781259666100
Author:F. Robert Jacobs, Richard B Chase
Publisher:McGraw-Hill Education
Text book image
Business in Action
Operations Management
ISBN:9780135198100
Author:BOVEE
Publisher:PEARSON CO
Text book image
Purchasing and Supply Chain Management
Operations Management
ISBN:9781285869681
Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:Cengage Learning
Text book image
Production and Operations Analysis, Seventh Editi...
Operations Management
ISBN:9781478623069
Author:Steven Nahmias, Tava Lennon Olsen
Publisher:Waveland Press, Inc.