Operations Management
14th Edition
ISBN: 9781260238891
Author: Stevenson
Publisher: MCG
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Chapter 9, Problem 1CTE
Summary Introduction
To determine: The actions of the managers to be taken regarding the additional repair personnel.
Introduction:
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(a) A computer repair shop had received a number of complaints on the length of time it took to make repairs. The manager responded by increasing the repair staff by 10 percent. Complaints on repair time quickly decreased, but then complaints about the cost of repairs suddenly increased. Oddly enough, when repair costs were analyzed, the manager found that the average cost of repair had actually decreased relative to what it was before the increase in staff. What are some possible explanations for the complaints, and what actions might the manager contemplate? (b) How do you relate inspection, cost, and quality? (c) An automatic filling machine is used to fill 2-liter bottles of cola. The machine’s output is approximately normal with a mean of 2.0 liter and a standard deviation of 0.024 liters. The output is monitored using the mean of samples of 36 observations.i. Determine upper and lower control limits that will include roughly 95 percent of the sample means when the process is in…
A computer repair shop had received a number of complaints on the
length of time it took to make repairs. The manager responded by
increasing the repair staff by 10 percent. Complaints on repair time
quickly decreased, but then complaints on the cost of repairs suddenly
increased. Oddly enough, when repair costs were analyzed, the manager
found that the average cost of repair had actually decreased relative to
what it was before the increase in staff. What are some possible
A computer repair shop received several complaints about the length of time required to complete repairs. The management replied by adding 10% to the repair staff. Concerns about repair time fell rapidly, but complaints about repair expense grew dramatically. Surprisingly, when the manager reviewed repair expenses, he discovered that the average cost of repair had actually fallen in comparison to what it was before to the personnel expansion. What are some plausible explanations for the concerns, and what possible responses might the manager consider?
Chapter 9 Solutions
Operations Management
Ch. 9 - Prob. 1DRQCh. 9 - Prob. 2DRQCh. 9 - Prob. 3DRQCh. 9 - Prob. 4DRQCh. 9 - Prob. 5DRQCh. 9 - Prob. 6DRQCh. 9 - Prob. 7DRQCh. 9 - Prob. 8DRQCh. 9 - Prob. 9DRQCh. 9 - Prob. 10DRQ
Ch. 9 - Prob. 11DRQCh. 9 - Prob. 12DRQCh. 9 - Prob. 13DRQCh. 9 - List the steps of problem solving.Ch. 9 - Prob. 15DRQCh. 9 - Prob. 16DRQCh. 9 - Prob. 17DRQCh. 9 - What trade-offs are involved in deciding on...Ch. 9 - Prob. 2TSCh. 9 - Prob. 3TSCh. 9 - Prob. 1CTECh. 9 - Prob. 2CTECh. 9 - Prob. 3CTECh. 9 - Prob. 4CTECh. 9 - Make a check sheet and then a Pareto diagram for...Ch. 9 - Prob. 2PCh. 9 - Prob. 3PCh. 9 - Prob. 4PCh. 9 - Prob. 5PCh. 9 - Prob. 6PCh. 9 - Prob. 7PCh. 9 - Prepare a scatter diagram for each of these data...Ch. 9 - Prepare a flowchart that describes going to the...Ch. 9 - Prob. 10PCh. 9 - The county sheriffs department responded to an...Ch. 9 - Prob. 12PCh. 9 - Prob. 1.1CQCh. 9 - Prob. 2.1CQ
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- A computer repair shop had recieved several complains on the length of time it took to make repairs. The manager responded by increase in the repair by 10 percent. Complaints on repair time quickly decreased but then complaints on the cost of repair suddenly increased. Oddly enough when repair costs were analyzed the managers found that average cost of repair had decreased relative to what was before the increase in staff. What are some possible explanations for the complaints and what actions might the manager contemplate?arrow_forwardRecommend ways of reducing complaints in the housekeeping and food & beverages departments of apollo hospital.arrow_forwardProblem Chick-n-Gravy Dinner Line The operations manager of a firm that produces frozen dinners had received complaints from numerous supermarkets about the firm's Chick-n-Gravy dinners. The manager then asked her assistant, Ann, to investigate the matter and to report her recommendations. Ann's first task was to determine what problems were generating the complaints. The majority of complaints centered on five defects: underfilled packages, a missing label, spills/mixed items, unacceptable taste, and improperly sealed packages. Next, she took samples of dinners from the two production lines and examined each sample, making note of any defects that she found. A summary of those results is shown in the table. The data resulted from inspecting approximately 800 frozen dinners. What should Ann recommend to the manager? DEFECT OBSERVED Missing Label Spill/ Mixed Unacceptable Taste Improperly Sealed Date Time Line Underfilled 5/12 0900 1 5/12 1330 2 5/13 1000 2 5/13 1345 1 5/13 1530 5/14…arrow_forward
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- Using a root cause diagram, what are the problems in conducting online class?arrow_forwardHow is operational risk (human error) mitigated by the compliance departmentarrow_forward. The manager of Perrotti's Pizza collects data concerning customer complaints about pizza delivery. Either the pizza arrives late, or the wrong pizza is delivered. Problem Topping is stuck to box lid Pizza arrives late Wrong topping or combination Wrong style of crust Wrong size Pizza is partially eaten Pizza never arrives Frequency 17 35 9 6 4 3 6 a. Use a Pareto chart to identify the "vital few" delivery problems. Comment on potential root causes of these problems and identify any especially egregious quality failures. b. The manager of Perrotti's Pizza is attempting to understand the root causes of late pizza delivery and has asked each driver to keep a log of specific difficulties that create late deliveries. After 1 week, the logs included the following entries: delivery vehicle broke down, couldn't make it across town to deliver second pizza in time, couldn't deliver four pizzas to four different customers in time, kitchen was late in producing order, got lost, order ticket was…arrow_forward
- Write a complaint letter to a business owner. Think about a negative customer service experience you had recently. Write a letter to the business owner or the company’s customer service department. Explaining what happened. State your claim (what it is you want done, and when). Close with goodwill.arrow_forwardLast year, the manager of the service department at East Woods Ford instituted a customer opinion program to find out how to improve service. One week after service on a vehicle was performed, an assistant would call the customer to find out whether the work had been done satisfactorily and how service could be improved. After a year of gathering data, the assistant discovered that the complaints could be grouped into the following five categories: b. Categorize the following causes of complaints into a cause-and-effect diagram: tools, scheduling, defective parts, training, billing system, performance measures, diagnostic equipment, and communications. Complete the following diagram. Match each number in the chart with the corresponding cause. See the picture for this.arrow_forwardCreate a cause-and-effect diagram (fishbone diagram) to identify the potential rootcause(s) of patrons' dissatisfaction with the services of an airline.arrow_forward
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