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Exam 7: Work Design and Measurement

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Question 21

True/False

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"Self-directed teams" are allowed to make changes in the work processes under their control.

A) True
B) False

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Question 22

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What is the normal time (NT) for this task if the employee worked at a fifty-percent faster pace than is average?

A) 45 seconds
B) 60 seconds
C) 90 seconds
D) 135 seconds
E) 180 seconds

F) A) and B)
G) A) and C)

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Question 23

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Management compensation should be based primarily on organizational output.

Between what limits can the manager be 68.26 percent confident the true proportion of time spent mowing is?

Job enrichment involves giving a workers a greater share of the total task which is why they feel enriched.

Determining the number of cycles to observe is an element of ________.

How many observations would be needed to be 95.44% confident that the maximum error in the observed time is 1 second? Assume that the standard deviation of the task time is 2 seconds.

A job had an observed cycle time of four minutes, a performance rating of 80 percent, and an allowance factor that was 20 percent of job time.Normal time for the job in minutes is:

For a confidence level of 95.44% and a maximum error of .04, what should be the sample size for estimating the proportion of time spent performing activity C?

What is the effect of an increase in the desired confidence level on the number of observations necessary in a time study?

What is the estimated proportion of time this worker spends performing activity B?

A flow process chart is helpful for visualizing the portions of a work cycle during which the operator and equipment are busy or idle.

When performing a time study, the analyst converts the observed time into the time an "average" worker would require working at an acceptable pace by using which of the following?

What is the standard time (ST) for this task if the employee worked at a fifty-percent faster pace than is average, and an allowance of twenty percent of job time is used?

One of the potential benefits of "self-directed teams" is higher quality.

What is the observed time (OT) for this task?

The chart used to review the overall sequence of an operation by focusing on either the movements of the operator or materials is called a _________.

Therbligs are basic elemental motions.

If the person observed worked at a pace that is 80 percent of normal, and if the appropriate allowance for this task is 25 percent of job time, what should be the standard time?

Studies on worker efficiency and time of day suggest the greatest efficiency is at the end of the day when workers are 'warmed up'.