Operations and Supply Chain Management 9th edition
9th Edition
ISBN: 9781119320975
Author: Roberta S. Russell, Bernard W. Taylor III
Publisher: WILEY
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Chapter 8.S, Problem 3Q
Summary Introduction
To explain: The criticisms of work measurement and time study.
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A Methods and Measurements Analyst needs to develop a time standard for a certain task. The task involves use of a ruler, square, and portable electric saw to mark and cut the "notch" in a rafter (a standard carpentry task of home construction). In a preliminary study, he observed one of his workers performing this task five times. The observations were made in an air-conditioned, well-lit training facility, at ground level, with all tools and equipment clean and readily available.
Observation:
1
2
3
4
5
Task time (seconds):
82
74
80
83
76
a. What is the actual average time for this task?
b. What is the normal time for this task if the employee worked at a 20% faster pace than is typical for adequately trained workers?
c. What is standard time for this task if allowances sum to 14%?
d. If the analyst then thought more carefully about his experiment and decided that the allowances needed to be increased to match the real (outside, not air-conditioned)…
What are the trade offs in choosing between time study and work sampling for work measurement.
what are some other performance measurement techniques commonly used in business?
Chapter 8 Solutions
Operations and Supply Chain Management 9th edition
Ch. 8.S - Compare the use of predetermined motion times for...Ch. 8.S - Prob. 2QCh. 8.S - Prob. 3QCh. 8.S - Prob. 5QCh. 8.S - Prob. 6QCh. 8.S - Prob. 7QCh. 8.S - Prob. 1PCh. 8.S - A sewing operator at the Gameday Sportswear...Ch. 8 - Prob. 1QCh. 8 - Prob. 2Q
Ch. 8 - Prob. 3QCh. 8 - Prob. 4QCh. 8 - Prob. 5QCh. 8 - Prob. 6QCh. 8 - Prob. 7QCh. 8 - What are some of the ways companies achieve...Ch. 8 - Prob. 10QCh. 8 - Prob. 12QCh. 8 - Prob. 13QCh. 8 - Prob. 16QCh. 8 - Prob. 17QCh. 8 - Prob. 18QCh. 8 - Prob. 20QCh. 8 - Prob. 21QCh. 8 - Prob. 22QCh. 8 - Prob. 23QCh. 8 - Prob. 24QCh. 8 - Prob. 25QCh. 8 - Prob. 27QCh. 8 - Prob. 28QCh. 8 - Prob. 33QCh. 8 - Prob. 34QCh. 8 - Discuss some of the uses and limitations of...Ch. 8 - Prob. 1PCh. 8 - Professor Cook teaches operations management at...Ch. 8 - Nite-Site, Inc., manufactures image...Ch. 8 - Prob. 4PCh. 8 - Prob. 5PCh. 8 - Prob. 6PCh. 8 - Prob. 7PCh. 8 - Prob. 8PCh. 8 - Prob. 9PCh. 8 - Prob. 10PCh. 8 - Prob. 11PCh. 8 - Prob. 12P
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Similar questions
- An analyst has been asked to prepare an estimate of the proportion of time that a turret lathe operator spends adjusting the machine, with 90% confidence level. Based on previous experience, the analyst believes the proportion will be approximately 30%. a. If the analyst uses sample size of 400 observations, what is the maximum error that will be associated with the estimate? b. What sample size would the analyst need in order to have the maximum error be no more than +/- 5%?arrow_forwardII. Exercise You have been asked to develop a work sample for a receptionist position in a three-person law firm. The lawyers believe this might be the best way to evaluate applicants, especially because they are seeking someone with a disability and they do not believe in the practical credibility of standardized measures. 1. What information do you need to design the work sample? 2. What materials do you need? 3. What are the criteria for your observation schedule as the consumer performs the work sample?arrow_forwardTOYS AND JOB DESIGN AT THE HOVEY AND BEARD COMPANY The following is a situation that occurred in the Hovey and Beard Company, as reported by J. V. Clark. This company manufactured a line of wooden toys. One part of the process involved spray painting partially assembled toys, after which the toys were hung on moving hooks that carried them through a drying oven. The operation, staffed entirely by women, was plagued with absenteeism, high turnover, and low morale. Each woman at her paint booth would take a toy from the tray beside her, position it in a fixture, and spray on the color according to the required pattern. She then would release the toy and hang it on the conveyor hook. The rate at which the hooks moved had been calculated so that each woman, once fully trained, would be able to hang a painted toy on each hook before it passed beyond her reach. The women who worked in the paint room were on a group incentive plan that tied their earnings to the…arrow_forward
- If an average worker could be identified, what advantage would there be in using that person for a time studyarrow_forwardWhat is the significance of work measurements and time standards to a business? Are there any drawbacks to putting these standards in place?arrow_forwardSarah has been employed for just over two years as a supervisor in a facilities management company, Global Gold Management plc (GGM). Her performance has been reasonably satisfactory – although she was taken through the company’s capability procedure six months ago when she was performing some new tasks unsatisfactorily. In the past couple of months, she has been late for work on three or four occasions and has, generally, not been working to an acceptable standard. After being late the sixth time her manager, in consultation with the human resources department, has decided to start disciplinary action. (She is given the statutory right to be accompanied which she declines.) The hearing results in her dismissal with one month’s pay in lieu of notice. During the disciplinary appeal hearing she informed the company that she was pregnant. She says that she is going to complain to an employment tribunal of unfair dismissal. She discusses the situation with Saima (You), a friend who works…arrow_forward
- What would typically happen if an abnormally short time was recorded when conducting a stopwatch time study? a) It would be included in the study. b) It would be discarded. c) It would be factored by the performance rating. d) Inform the supervisor of the abnormality.arrow_forwardA time study in a manufacturing company of air conditioners showed the following results for the four basic elements of the production process. With the information presented in the table below: hat is the observed time for the whole operation? 00000 48.5 45.5 51.3 47.9 50.6 Elements B C D Rating Factor (%) 95 100 110 105 2 5 Observations (minutes) 4 2 3 3 12 11 13 15 21 23 18 14 8 6 12 7 5 3 9 6 7 4 4 2 12 21 23 8 6 8 23 10 19 4 10 12 13 10 5 14 29 12 23 15 12 8arrow_forwardWrite job specifications using the Internet as well as your judgment.arrow_forward
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