Principles Of Operations Management
11th Edition
ISBN: 9780135173930
Author: RENDER, Barry, HEIZER, Jay, Munson, Chuck
Publisher: Pearson,
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Chapter 10, Problem 19P
Summary Introduction
To determine: Thestandard 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.
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Suppose Charlene Brewster has times (in seconds) of
8.3,
8.5,
8.4,
8.4,
8.6,
8.6
and a performance rating of 110%.
a) For a given allowance factor of 15%, the standard time for the operation = ? seconds (round your response to two decimal places).
Refer to Problem (If Charlene Brewster has times of 8.4, 8.6, 8.3, 8.5, 8. 7, and 8.5 and a performance rating of I 10%, what is the normal time for this operation? Is she faster or slower than normal?).a) If t he allowance factor is 15%, what is the standard time for this operation?b) If the allowance factor is 18% and the performance rating is now 90%, what is the standard time for this operation?
Use excel to show formulas
2.A job had an observed time of five minutes, a performance rating of .70, and an allowance factor of 20 percent of job time. Twenty cycles were timed. Standard time for the job in minutes is:
Chapter 10 Solutions
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. 39PCh. 10 - Prob. 40PCh. 10 - Prob. 41PCh. 10 - Prob. 42PCh. 10 - Prob. 44PCh. 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
- A hotel housekeeper, Alison Harvey, was observed five times on each of four task elements, as shown in the following table. On the basis of these observations, find the standa rd timefor the process. Assume a I 0% a llowance factor.arrow_forwardA time study was made of an existing job to develop new time standards. A worker was observed for 45 minutes.During that period, 30 units were produced. The analyst rated the worker as performing at a 90 percent performance rate. Allowances in the firm for rest and personal time are 12 percent. a. What is the normal time for the task?b. What is the standard time for the task?c. If the worker produced 300 units in an eight-hour day, what would be the day’s pay if the basic rate was $6 per hour and the premium payment system paid on a 100 percent basis?arrow_forwardAfter training, Mary Fernandez, a computer tech-nician, had an average observed time for memory-chip tests of 12 seconds. Mary’s performance rating is 100%. The firm has apersonal fatigue and delay allowance of 15%.a) Find the normal time for this process.b) Find the standard time for this process.arrow_forward
- Ergonomics problem A work measurement analyst in the Electrical Company took 10 observations (for each element) of an operation job. The operation consists of four elements of work. Result of observation was shown in a Table attached. a. Determine the standard time and standard output if the total allowance time is 12% b. Check whether number of observation is sufficient or not for a 95 percent confidence level and 5 percent significant level.arrow_forwardHow can the time for a machine operator be classified,Turns between each job and often between work Go for stock, off the machine?arrow_forwardState and describe some of the limitations of time study method ?arrow_forward
- In time study, the rating factor is applied to determine a)standard time of a job b)merit rating of the worker c)fixation of incentive rate d)normal time of a worker [Don't use chatgpt otherwise give 20downvotes]arrow_forwardFind out the standard time using the following data: Average time for machine elements = 6 min. Average time for manual elements = 3 min. Performance rating =110% Allowances = 11%arrow_forwardYou recorded an observed time of 1 minute per unit of production. If the performance rating of the observed worker was 120 and 5% PNA was provided, what is the standard time per unit?arrow_forward
- Describe some of the limitations of time study method ?arrow_forwardBased 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_forwardNine observations from a work measurement study using continuous timing are shown below. Allowances are determined as: personal, five percent; fatigue, six percent; delay, five percent. Use the Work Measurement Excel template to determine the standard time for this operation. Work Observation Element 1 2 3 4 5 6 7 8 9 Performance Rating A 0.10 0.15 0.08 0.06 0.11 0.10 0.16 0.15 0.16 115% B 0.23 0.18 0.23 0.22 0.25 0.24 0.29 0.28 0.28 95% C 0.49 0.52 0.49 0.48 0.47 0.47 0.52 0.49 0.51 105% D 0.62 0.67 0.64 0.59 0.70 0.68 0.68 0.67 0.70 90% E 0.71 0.74 0.73 0.70 0.81 0.81 0.78 0.81 0.83 105% F 1.03 1.03 1.01 1.01 1.08 1.12 1.03 1.09 1.11 100% Round your answer to two decimal places. minutesarrow_forward
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