Operations Management
13th Edition
ISBN: 9781259667473
Author: William J Stevenson
Publisher: McGraw-Hill Education
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Chapter 7, Problem 17P
Summary Introduction
To design: A
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
A library administrator wants to determine the proportion of time the circulation clerk is idle. The following information was gathered randomly by using work sampling:
Day
Number of TimesClerk Busy
Number of TimesClerk Idle
Total Number ofObservations
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
8
7
9
7
8
6
2
1
3
3
2
4
10
8
12
10
10
10
If the administrator wants a 95 percent confidence level and a degree of precision of +- 4 percent, how many more observations are needed?
The management of a drinking water refill station is planning to estimate the average cost of paying technicians to maintain the water refill stations. The management wants their OM to provide normal times and standard times for cleaning a station based on observed values, rating factors (RF), and a 20% allowance.
It is not necessary to plan study time, just study
Select one:
True
O False
Chapter 7 Solutions
Operations Management
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
- (a) What is a technique for estimating the percent of the time a worker spends on various tasks? A) stopwatch time study B) simultaneous motion study C) work sampling D) standard elemental (historical) times E) predetermined (published) time standards (b) A bank manager wants to determine the percent of the time the bank's tellers are working and idle. He decides to use work sampling, and his initial estimate is that the tellers are idle 22% of the time. Approximately how many observations should be taken to be 95% confident that the results will not be more than 5% away from the true result? A)6 B) 16 C) 203 D) 264 E) 246arrow_forwardAn analyst made 30 observations over 15 minutes during which 12 units where produced. For 9 observations, the worker was seen working. Compute for the observed time.arrow_forwardCompare stopwatch time study and work sampling.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_forwardWhat is the answer of this question ?arrow_forward8. A teller at a drive-up window at a bank had the following service times (in minutes) for 20 randomly selected customers: SAMPLE 1 2 3 4 4.5 4.6 4.5 4.7 4.2 4.5 4.6 4.6 4.2 4.4 4.4 4.8 4.3 4.7 4.4 4.5 4.3 4.3 4.6 4.9 Select a chart to monitor the central tendency of the process, what are the 3-sigma control limits using a mean chart? Keep 3 decimal places. Select one: a. LCL = 4.212, UCL = 4.788 b. LCL = 4.414, UCL = 4.586 c. LCL = 4.245, UCL = 4.755 d. None of the other options. e. LCL = 4.385, UCL = 4.615arrow_forward
- An analyst has observed a job long enough to familiar with it and has Element cyclel cycle2 | cycle3 cycle4 | cycle5 PR become 1 1.51 1.63 1.48 1.55 1.72 100 2 2.46 2.34 2.33 2.36 2.30 90 divided it into four elements. 3 1.79 3.02 1.84 1.78 1.77 95 Element time for the first five 4 1.25 1.11 1.40 1.15 1.29 115 cycles with Perfomance Rating (PR) are shown in the table 3. Table 3 (a) Compute an estimatednomal time for the job based onthe data available at this stage of the study. (b) On the basis of the data available, what size sample should be take to estimate the time for all elements within 5 % of the true mean time with 95% confidence?arrow_forwardK Claudine Soosay recorded the following times assembling a watch: Observation No. 1234567co 8 Time (minutes) 0.12 0.10 0.11 0.11 0.15 0.10 0.10 0.10 Observation No. 9 10 11 12 13 14 15 16 Time (minutes) 0.11 0.08 0.11 0.10 0.10 0.11 0.14 0.08arrow_forward4. In a restaurant, a customer was asked about his level of satisfaction about their service. What type of data was being gathered? a. nominal C. interval b. ordinal d. ratioarrow_forward
- Time study mainly addresses:a) Timing all workers’ performances for setting standardtimesb) Improving the working environment for setting standardtimesc) Timing a sample of worker’s performance for settingstandard timesd) Timely review of the workloads for setting standardtimese) All of the abovearrow_forwardWhat situations call for the use of work sampling instead of time study?arrow_forwardAn 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_forward
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