Operations Management: Processes and Supply Chains, Student Value Edition Plus MyLab Operations Management with Pearson eText -- Access Card Package (12th Edition)
12th Edition
ISBN: 9780134855424
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Question
Chapter 2, Problem 28P
(a)
Summary Introduction
To explain:
Outline a scatter of using the given data.
Introduction:
Scatter diagram refers to the graph which are used to indicate the relationship between two variables.
(b)
Summary Introduction
To determine:
Whether therelationship between permeability and carbon content can be established or not.
Introduction:
The relationship between permeability content and the carbon content can be better understand with the help of the scatter diagram.
(c)
Summary Introduction
To explain:
The data that the scatter diagram will represent with respect to the carbon content if the low permeability is advantageous.
Introduction:
If low permeability is advantageous, thenthe scatter diagram indicates that five or above the percentage of carbon content will result in the low permeability of the sinter mixture.
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Problem 12-7 (Algo)
The following table lists all costs of quality incurred by Sam's Surf Shop last year.
Annual inspection costs
Annual cost of scrap materials
Annual rework cost
Annual cost of quality training
Annual warranty cost
Annual testing cost
$ 170,000
346,000
Appraisal cost
94, 679
516, 000
1, 666, 000
532, 000
What was Sam's appraisal cost for quality last year?
Excel AssignmentSamsung manufactures cellphone with an average standby time of 10 hours between charges. Thestandby time of the cellphone is normally distributed. During the design stage, the quality engineeringstaff recorded 18 observations of the standby time of the cellphone. Using the observations below, isthere evidence that the average standby time of a Samsung cellphones is not 10 hours? Use a level ofsignificance of .05
Answer the following question:1. What is the null and alternative hypothesis to the case above?2. Copy the data into excel and do an analysis to test the hypothesisUpload the excel file with the your assignment submission3. What is the conclusion of your analysis? (try to state it in terms of the original problem orquestion)4. Develop the 95% confidence interval.
Abernathy, Inc., produces two different generators and is concerned about their quality. The company has identified the following quality activities and costs associated with the two products:
Generator A
Generator B
Units produced
170,000
340,000
Warranty work (units)
1,700
850
Scrapped units (number)
3,400
850
Inspection (hours)
3,400
1,700
Quality training (hours)
85
85
Activities:
Performing warranty work
$816,000
Scrapping units
612,000
Inspecting
306,000
Quality training
85,000
Required:
1. Calculate the quality cost per unit for each product, and break this unit cost into quality cost categories. If required, round your answers to the nearest cent.
Generator A
Generator B
Unit cost
$fill in the blank 1
$fill in the blank 2
Chapter 2 Solutions
Operations Management: Processes and Supply Chains, Student Value Edition Plus MyLab Operations Management with Pearson eText -- Access Card Package (12th Edition)
Ch. 2 - Prob. 3DQCh. 2 - Prob. 4DQCh. 2 - Consider the range of processes in the financial...Ch. 2 - Prob. 6DQCh. 2 - Continuous improvement recognizes that many small...Ch. 2 - Prob. 8DQCh. 2 - Paul O’Neill, former U.S. Treasury Secretary,...Ch. 2 - Dr. Gulakowicz is an orthodontist. She estimates...Ch. 2 - Two different manufacturing processes are being...Ch. 2 - The operations manager at Sebago Manufacturing is...
Ch. 2 - Consider the Custom Molds, Inc., case at the end...Ch. 2 - Founded in 1970, ABC is one of the world’s...Ch. 2 - Prepare a flowchart of the field service division...Ch. 2 - Big Bob’s Burger Barn would like to graphically...Ch. 2 - Prob. 10PCh. 2 - Suppose you are in charge of a large mailing to...Ch. 2 - Diagrams of two self-service gasoline stations,...Ch. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - A time study of an employee assembling peanut...Ch. 2 - Prob. 18PCh. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21PCh. 2 - Prob. 22PCh. 2 - Prob. 23PCh. 2 - Smith, Schroeder, and Torn (SST) is a short-haul...Ch. 2 - Prob. 25PCh. 2 - Prob. 26PCh. 2 - Prob. 27PCh. 2 - Prob. 28PCh. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - Prob. 31PCh. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 1AMECh. 2 - What percentage of overall complaints do the three...Ch. 2 - Prob. 3AMECh. 2 - Prob. 1VCCh. 2 - What are the benefits that the POI program can...Ch. 2 - Prob. 3VCCh. 2 - What are the major issues facing Tom and Mason...Ch. 2 - Prob. 1.2CCh. 2 - Prob. 1.3CCh. 2 - Prob. 2.1CCh. 2 - Prob. 2.2CCh. 2 - Prob. 2.3C
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- Design a study to identify what might be the probable ultimate cause/s of the decline in sales. For looking at the different causes, consider the box and arrow diagram given. Note the following things about the box and arrow diagram: If the arrow’s head is towards a box, that means the variable in the box (where the arrow’s head is) affects the variable in the box from where the arrow originated. E.g “Revenue/Sales” is affected by the “Number of shoppers/customers”. The boxes in grey are the variables you as a firm/owner can directly expect to affect which can further affect other variables in the model. E.g. You can incorporate training programs to improve “customer service” perceptions and, ultimately “Sales”. There is a hierarchy of the variables such that we have started from the broadest ones in thetop and then went to the finer one. The motivation for the research group here is to design a study for the store. This study is to find out the customer’s current perception…arrow_forwardA list of 16 issues that led to incorrect formulationsin Tuncey Bayrak's jam manufacturing unit in New England isprovided below: Create a fish-bone diagram and categorize each of these issuescorrectly, using the "four Ms" methodarrow_forwardExplain how poor quality of goods and services is an indicator of an inadequate control system.arrow_forward
- In making squash soup, what are the tests to quantify certain parameters as indicators of quality?arrow_forwardIn a car manufacturing company, an automated painting process has been introduced, and the quality assurance team suspects there might be issues that require investigation. The team decides to conduct a root cause analysis to identify potential problems. Through the root cause analysis and further investigation, it appears that the drying time of the paint in minutes is affecting the overall quality of the finish. The aspect they need to examine is the variation in drying time across different colours of paint. Considering the ongoing concerns in the painting process, the team chooses to collect a sample of six drying time measurements every 20 minutes from various colours of paint. The recorded drying time values for a day's production are presented in Table 1. A total of 10 sets of measurements, each consisting of six drying time values in minutes, have been collected. Each time a set of measurements is taken, the individual drying time values are recorded. Table 1: Drying Time…arrow_forwardsniparrow_forward
- The following table lists all costs of quality incurred by Sam's Surf Shop last year. Annual inspection costs Annual cost of scrap materials Annual rework cost $ 247,000 456,000 204,679 626,000 1,886,000 664,000 Annual cost of quality training Annual warranty cost Annual testing cost What was Sam's appraisal cost for quality last year? Appraisal costarrow_forwardi) The concept of quality is considered to have evolved through stages. However, quality is used to describe a prestigious product. It is one that fits the intended customer’s requirements. Impliedly, the product should possess attributes that enables it meet the customer’s requirement or specification. Now, in identifiably distinctive manner, differentiate quality control from the others or quality assurance. ii) Briefly define hazard, when uncertainty is defined as being a situation in which the determination of risk factors is not possible. It is difficult therefore to calculate the effect of uncertainty upon the tender, and a discussion of uncertainty is out of place here. A builder will see risks in two distinct categories: (a). those that can be insured against and,( b). those that cannot be insured against.arrow_forwardIn response to intensive foreign competition, the management of Florex Company has attempted over the past year to improve the quality of its products. A statistical process control system has been installed and other steps have been taken to decrease the amount of warranty and other field costs, which have been trending upward over the past several years. Costs relating to quality and quality control over the last two years are given below: Costs (in thousands) Last Year This Year Inspection $ 720 $ 909 Quality engineering $ 450 $ 765 Depreciation of test equipment $ 675 $ 270 Rework labor $ 1,080 $ 1,530 Statistical process control $ 0 $ 225 Cost of field servicing $ 1,350 $ 1,260 Supplies used in testing $ 45 $ 81 Systems development $ 720 $ 900 Warranty repairs $ 3,780 $ 1,620 Net cost of scrap $ 630 $ 1,170 Product testing $ 900 $ 1,800 Product recalls $ 3,150 $ 900 Disposal of defective products $ 810 $ 1,080 Sales have been flat over the…arrow_forward
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