Operations Management (Comp. Instructor's Edition)
13th Edition
ISBN: 9781259948237
Author: Stevenson
Publisher: MCG
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Chapter 7, Problem 15DRQ
Summary Introduction
To determine: The main limitations of time study.
Introduction: The amount of the dependency on human effort by an organization in terms of achieving its goals is given by the work design. It is directly linked to the productivity of an organization where good work design helps in achieving high productivity.
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Students have asked these similar questions
State and describe some of the limitations of time study method ?
Explain why do the workers sometimes resent time studies ?
9. A work operation consisting of three (3) elements has been subjected to a time study. The
recorded observations are shown below. The allowance factor for personal time is 5%, delay is
5%, and fatigue is 10%. Determine the standard time for the work operations.
Observation (in Minutes)
Element 1 2 456 Rating (%)
0.1 0.3 0.2 0.9 0.2 0.1
0.8 0.6 0.8 0.5 3.2 0.7
0.5 0.5 0.4 0.5 0.6 0.S
Job
Performance
A
90
110
80
10. The preliminary work sample of an operation indicates the following: what is the required sample
size for a three (3) sigma with 4% accuracy.
No. of times operator working 60
No. of times operator idle
40
11. PJ Sumeguin, Inc. produces telephone system with built in TV screens. Its learning rate is 80%.
a. If the first one took 56hrs, how long will it take the company to complete the 11th unit?
b. How long will the 1st 11 systems take in total?
c. If you are the purchasing agent, you are expected to buy units 12 through 15 of the new
phone systems. What would be your…
Chapter 7 Solutions
Operations Management (Comp. Instructor's Edition)
Ch. 7.S - Prob. 1DRQCh. 7.S - Prob. 2DRQCh. 7.S - Prob. 3DRQCh. 7.S - Prob. 4DRQCh. 7.S - Prob. 5DRQCh. 7.S - Prob. 6DRQCh. 7.S - Prob. 7DRQCh. 7.S - Prob. 8DRQCh. 7.S - Prob. 9DRQCh. 7.S - Prob. 10DRQ
Ch. 7.S - Prob. 1PCh. 7.S - Prob. 2PCh. 7.S - Prob. 3PCh. 7.S - Prob. 4PCh. 7.S - Prob. 5PCh. 7.S - Prob. 6PCh. 7.S - Prob. 7PCh. 7.S - Prob. 8PCh. 7.S - Prob. 9PCh. 7.S - Prob. 10PCh. 7.S - Prob. 11PCh. 7.S - Prob. 12PCh. 7.S - Prob. 13PCh. 7.S - Prob. 14PCh. 7.S - Prob. 15PCh. 7.S - Prob. 16PCh. 7.S - Prob. 17PCh. 7.S - Prob. 18PCh. 7.S - Prob. 19PCh. 7.S - Prob. 1CQCh. 7.S - Prob. 2CQCh. 7.S - Prob. 3CQCh. 7 - Prob. 1DRQCh. 7 - What are some of the main advantage and...Ch. 7 - Prob. 3DRQCh. 7 - Prob. 4DRQCh. 7 - Prob. 5DRQCh. 7 - Prob. 6DRQCh. 7 - Prob. 7DRQCh. 7 - What are motion study principles? How are they...Ch. 7 - Prob. 9DRQCh. 7 - Prob. 10DRQCh. 7 - Prob. 11DRQCh. 7 - Prob. 12DRQCh. 7 - Prob. 13DRQCh. 7 - Prob. 14DRQCh. 7 - Prob. 15DRQCh. 7 - Prob. 16DRQCh. 7 - Prob. 17DRQCh. 7 - Prob. 18DRQCh. 7 - Prob. 19DRQCh. 7 - Prob. 1TSCh. 7 - Prob. 2TSCh. 7 - Prob. 3TSCh. 7 - Prob. 1CTECh. 7 - Prob. 2CTECh. 7 - Prob. 3CTECh. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Given these observed times (in minutes) for four...Ch. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - An analyst made the following observations about...Ch. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - Prob. 19P
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Similar questions
- Explain the steps involved in conducting a time study,and discuss any difficulties you might envision at varioussteps.arrow_forwardA work operation consisting of three elements has been subjected to a stopwatch time study. The recorded observations are shown in the following table. By union contract, the allowance time for the operation is personal time 5%, delay 5%, and fatigue 10%. Determine the standard time for the work operation. OBSERVATIONS (MINUTES) JOB PERFORMANCE ELEMENT 1 2 3 4 5 6 RATING (%) A .1 .3 .2 .2 .1 90 В .8 .6 .8 .5 3.2 .7 110 .5 .5 .4 .5 .5 80arrow_forwardIOarrow_forward
- d) What is the probability of completing in 21 weeks?arrow_forwardName the information contained in the work plan ?arrow_forwardK Latisha Simmons, a loan processor at Wentworth Bank, has been timed performing four work elements, with the results shown in the following table. Task Element 1 2 3 4 Performance Rating 115% 95% 85% 80% 1 0.5 0.6 0.7 1.6 Observation (minutes per cycle) 2 3 4 0.4 0.9 0.4 1.9 0.5 0.7 0.6 2.1 0.3 0.6 0.4 1.7 5 0.3 0.7 0.4 1.5 The allowances for tasks such as this are personal, 8%; fatigue, 10%; and delay, 2%. a) The normal time for the complete operation = minutes (round your response to two decimal places). b) The standard time for this process = minutes (round your response to two decimal places).arrow_forward
- Latisha Simmons, a loan processor at Wentworth Bank, has been timed performing four work elements, with the results shown in the following table. Task Element 1 2 3 4 Performance Rating 110% 85% 90% 85% 1 0.6 0.6 0.5 1.4 Observation (minutes per cycle) 2 3 4 0.3 0.8 0.5 1.9 0.6 0.7 0.6 1.9 0.4 0.6 0.5 1.7 The allowances for tasks such as this are personal, 8%; fatigue, 12%; and delay, 3%. minutes (round your response to two a) The normal time for the complete operation : = decimal places). b) The standard time for this process = minutes (round your response to two decimal places). 0.5 0.8 0.5 1.4arrow_forwardhow could you break up the task list by each of the five floorsarrow_forward4 - 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) 28arrow_forward
- Following are the observations (in minutes) for four elements of a task. Element 1 AWNI 2 3 4 Element 1 NM 4 2 1 4.8 3 3.5 2.6 2 4.8 1.1 3.1 2.7 от Cycle 3 4.2 3.5 2.6 4 4.4 1.5 3.0 2.8 5 4.6 Determine the observed time (OT) for each element. Note: The second element occurs only in every other cycle. (Round the final answers to 2 decimal places.) - 3.1 2.8 5.0 6 4.1 1.5 3.5 2.4arrow_forwardhelp pleasearrow_forwardHow would HUMAN RESOURCE module be integrated with other modules? other modules?arrow_forward
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