EBK PRINCIPLES OF OPERATIONS MANAGEMENT
10th Edition
ISBN: 8220102744059
Author: HEIZER
Publisher: PEARSON
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Chapter 10, Problem 28P
a)
Summary Introduction
To determine: The normal time for the operation.
Introduction: The time study is the basis that helps set the standard time; it would time a sample of the performance of the worker.
b)
Summary Introduction
To determine: The standard time for the operation.
Introduction: Time study is the basis that helps set the standard time; it would time a sample of the performance of the worker.
c)
Summary Introduction
To determine: The number of the
Introduction: The sample size is required to determine the number of observations that are necessary to find the true cycle time.
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Students have asked these similar questions
4 -
For a time study of a health insurance claims-adjusting process, the analyst recorded the times. The job is divided
into four work elements, as shown in table. What is the appropriate sample size for estimating the time for element 2
within 7 percent of the true mean with 95 percent confidence?
Work Element
1
3
4
5
Rating
1. Check from completion and
Element
0.50
0.55
0.45
0.65
0.50
1.1
signatures
Time
2. Enter claim amounts, check
Element
0.70
1.80
0.70
0.95
0.75
1.2
math
Time
3. Determine proportion of claim
to be disallowed
Element
1.45
1.30
1.25
1.65
1.40
1.2
Time
4. Generate form letter, enter data Element
2.75 2.50 2.25
1.75
2.70
0.9
for check
Time
a)
19
b)
16
c)
23
d)
21
e)
28
A traditional job description enumerates the relationship of each job to overall goals.
Question 17 options:
True
False
How to Work sampling compared with stopwatch time study?
Chapter 10 Solutions
EBK PRINCIPLES OF OPERATIONS MANAGEMENT
Ch. 10 - Prob. 1EDCh. 10 - Prob. 1DQCh. 10 - Prob. 2DQCh. 10 - Prob. 3DQCh. 10 - Prob. 4DQCh. 10 - Prob. 5DQCh. 10 - Prob. 6DQCh. 10 - Prob. 7DQCh. 10 - Prob. 8DQCh. 10 - Prob. 9DQ
Ch. 10 - Prob. 10DQCh. 10 - Prob. 11DQCh. 10 - Prob. 12DQCh. 10 - Prob. 13DQCh. 10 - Prob. 14DQCh. 10 - Prob. 1PCh. 10 - Prob. 2PCh. 10 - Prob. 3PCh. 10 - Prob. 4PCh. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 7PCh. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - Prob. 10PCh. 10 - Prob. 11PCh. 10 - Prob. 12PCh. 10 - Prob. 13PCh. 10 - Prob. 14PCh. 10 - Prob. 15PCh. 10 - Prob. 16PCh. 10 - Prob. 17PCh. 10 - Prob. 18PCh. 10 - Prob. 19PCh. 10 - Prob. 20PCh. 10 - Prob. 21PCh. 10 - Prob. 22PCh. 10 - Virginia College promotes a wide variety of...Ch. 10 - Prob. 24PCh. 10 - Prob. 25PCh. 10 - Prob. 26PCh. 10 - Prob. 27PCh. 10 - Prob. 28PCh. 10 - Prob. 29PCh. 10 - Prob. 30PCh. 10 - Prob. 31PCh. 10 - Prob. 32PCh. 10 - Prob. 33PCh. 10 - Prob. 34PCh. 10 - Prob. 35PCh. 10 - Prob. 36PCh. 10 - Prob. 37PCh. 10 - Prob. 38PCh. 10 - Prob. 1CSCh. 10 - Prob. 2CSCh. 10 - Prob. 3CSCh. 10 - Prob. 4CSCh. 10 - Prob. 1.1VCCh. 10 - Prob. 1.2VCCh. 10 - Prob. 1.3VCCh. 10 - Prob. 2.1VCCh. 10 - Prob. 2.2VCCh. 10 - Prob. 2.3VCCh. 10 - Prob. 2.4VC
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Similar questions
- Based on a careful work study in the Hofstetter Corp., the results shown in the following table have been observed: a) Compute the normal time for each work element.b) If the allowance for this type of work is 15%, what is the standard time?c) How many observations are needed for a 95% confidence level within ±5% accuracy? (Hint: Calculate the sample size of each element.)arrow_forwardA. Case Study: Designing a Comprehensive Employee Orientation Program for XYZ Global Corporation Background:XYZ Global Corporation, a multinational conglomerate, is undergoing a significant expansion, with new hires joining from diverse cultural backgrounds and professional experiences. The Human Resources department has been tasked with designing a comprehensive employee orientation program to ensure a seamless onboarding experience for all employees. Question- Identify the key topics and information to be covered during the orientation.arrow_forwardhelp pleasearrow_forward
- The operator drops a part, which you pick up and handto him. Does this make any difference in a time study? Ifso, how?arrow_forwardInstalling mufflers at the Stanley Garage in Golden, Colorado, involves five work elements. Linda Stanley has timed workers performing these tasks seven times, with the results shown in the following table. Job elements OBSERVATIONS (MINUTES) Performance rating (%) 1 2 3 4 5 6 7 1 Select correct mufflers 4 5 4 6 4 15 4 100 2 Remove muffler 6 8 7 6 7 6 7 90 3 Weld/install new muffler 15 14 14 12 15 16 13 105 4 Check/inspect work 3 4 24 5 4 3 18 100 5 Complete paperwork 5 6 8 - 7 6 7 130 By agreement with her workers, Stanley allows a 10% fatigue factor and a 10% personal-time factor. To compute standard time for the work operation, Stanley excludes all observations that appear to be unusual or nonrecurring. She does not want an error of more than 5%. What is the standard time for the task? How many observations are needed to assure a 95.45%…arrow_forwardDescribe some of the limitations of time study method ?arrow_forward
- QUESTION 1 Human resource audits help human resource manager to collect data on metrics and normally managers use a benchmark. Discuss what is the focus and scope of human resource audit.arrow_forwardIOarrow_forwardA total of 300 observations of Bob Ramos, anassembly-line worker, were made over a 40-hour workweek. Thesample also showed that Bob was busy working (assembling theparts) during 250 observations.a) Find the percentage of time Bob was working. b) If you want a confidence level of 95%, and if {3% is an accept-able error, what size should the sample be? c) Was the sample size adequate?arrow_forward
- How can the time for a machine operator be classified,Turns between each job and often between work Go for stock, off the machine?arrow_forward5. The manager of Asombrado Bounty Office, Charles Badillo, estimates his employees are idle 25%of the time. With that problem, how many work samples are needed to consider within 3%accuracy and have 95.45% confidence level. 6. At ASP Micro Manufacturing, Inc. workers press semiconductor into predrilled slots on printed-circuit boards. Determine the normal time of the operation in seconds. The elemental motions for normal time used by the company are as follows:• Reach 6 inches for semiconductors 10.5 TMU• Grasp the semiconductors 8.0 TMU• Move semiconductor to printed-circuit board 9.5 TMU• Position semiconductor 20.1 TMU• Press semiconductor into slots 20.3 TMU• Move board aside 15.8 TMU 7. The semiconductor used in Costin Calculator has 5 components with the consistency of 90%, 95%,98%, 90%, and 99%, respectively. How reliable is one product of calculator?arrow_forwardProblem 1 Magic, Inc. carried out a time study of an existing job to develop new time standards. A worker was observed for 50 minutes. During that period, 42 units were produced. The analyst rated the worker as performing at an 85 percent performance rate. Allowances in the firm for rest and personal time are 10 percent. a. What is the normal time for the task? b. What is the standard time for the task?arrow_forward
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