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Exam 7: Work Design and Measurement

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Question 1

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A company is preparing a bid on a government contract for 40 units of a certain product. The operations manager estimates the assembly time required for the first two units to be 10.4 hours and 8.8 hours.What is the expected time required to produce the fortieth unit?

A) 3.2 hours
B) 4.4 hours
C) 5.9 hours
D) 3.7 hours
E) 2.2 hours

F) B) and E)
G) A) and B)

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Question 2

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A company is preparing a bid on a government contract for 40 units of a certain product. The operations manager estimates the assembly time required for the first two units to be 10.4 hours and 8.8 hours.What is the average time per unit for the first 30 units?

A) 4.7 hours
B) 5.9 hours
C) 5.6 hours
D) 4.5 hours
E) 3.6 hours

F) D) and E)
G) B) and D)

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C

Question 3

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The importance of work design is often underscored by the organization's dependence on technology.

The manager of Lawn and Garden Services would like to estimate the proportion of her employees' time spent performing various gardening and lawn care activities. She has made 400 random observations of a typical worker, with the following results: How confident can the manager be that the true proportion of time spent mowing is between 0.45 and 0.55?

Methods analysis cannot be done for new jobs (ones that do not yet exist)since it requires observation of the process.

A company is preparing a bid on a government contract for 40 units of a certain product. The operations manager estimates the assembly time required for the first two units to be 10.4 hours and 8.8 hours respectively.What is the appropriate learning curve?

A manager wants to analyze the learning curve associated with producing one of his company's products. Accordingly, he has gathered the following data: Approximately how long did it take to produce the first four units?

The fact that human activities typically improve when they are done on a repetitive basis is described by a(n) :

It would be acceptable to use a group incentive plan for an assembly line operation.

According to learning curve theory, the time reduction per unit decreases (improves)as the number of units increases.

No stopwatch is required in a work sampling study.

Learning curves generally apply to situations in which there is a high degree of human involvement and tasks are fairly repetitive.

The chart used to focus on busy and idle portions of a work cycle is a:

In which of the following scenarios would an 80 percent learning curve be especially relevant?

Time standards derived from a firm's historical time study data are known as:

How long would a job with a 70 percent learning curve and a time of 20 hours for the first unit require (approximately, in hours) for the third unit?

Suppose the first unit required 800 hours and the second unit required only 680. Which of the following times for the fourth unit would be consistent with a true learning curve scenario?

Unit times for a job exhibit a learning effect. If the second unit took 30 hours, and the fourth unit took 21 hours, roughly how many hours would you estimate the third unit took?

Giving a worker a larger portion of the total task is known as job:

A job has a normal time of 12 minutes, a performance rating of 0.80, and an allowance of 20 percent of job time. The standard time for this job in minutes is: