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Exam 9: Work Design and Measurement

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Question 31

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

A)  worker-machine chart.
B)  Gantt chart.
C)  simo chart.
D)  idle chart.
E)  flow process chart.

F) C) and D)
G) A) and E)

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Question 32

Multiple Choice

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In work sampling, how will increasing the permissible maximum error affect sample size?

A)  It will increase the number of observations needed.
B)  It will decrease the number of observations needeD.
C)  It will have no effect on sample size.
D)  It will sometimes increase and sometimes decrease the sample size, depending on the analyst.
E)  It is impossible to say without additional information.

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

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Question 33

Multiple Choice

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Process chart symbols do not include:

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

A methods and measurements analyst needs to develop a time standard for a certain task. In a preliminary study, he observed one of his workers perform this task five times, with the following results: $\begin{array} { | l | c | c | c | c | c | } \hline \text { Observation } & 1 & 2 & 3 & 4 & 5 \\\hline \text { Time(Seconds) } & 84 & 76 & 80 & 84 & 76 \\\hline\end{array}$ What is the normal time for this task if the employee worked at a 25 percent faster pace than average?

A methods and measurements analyst needs to develop a time standard for a certain task. In a preliminary study, he observed one of his workers perform this task five times, with the following results: $\begin{array} { | l | c | c | c | c | c | } \hline \text { Observation } & 1 & 2 & 3 & 4 & 5 \\\hline \text { Time(Seconds) } & 84 & 76 & 80 & 84 & 76 \\\hline\end{array}$ What is the standard time for this task if the employee worked at a 25 percent faster pace than average and an allowance of 20 percent of the workday is used?

If there is a good chance that one or a few employees could wind up in monotonous jobs, job __________ can be a good idea.

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: $\begin{array} { l c } \text { Activity } & \text { Time Observed } \\\hline \text { Mowing } & 200 \\\text { Trimming } & 80 \\\text { Raking } & 40 \\\text { Miscellaneous } & 80\end{array}$ How confident can the manager be that the true proportion of time spent mowing is between .45 and .55?

In a stopwatch time study, the number of cycles that must be timed is a function of: (I) the variability of observed times. (II) the desired accuracy for the estimated job time. (III) the desired level of confidence for the estimated job time.

Work sampling involves the use of some method of randomizing the observations.

A technique for estimating the proportion of time a worker spends on various activities is:

Methods analysis is particularly valuable when it is used on jobs that:

Which of the following is not generally considered an advantage of specialization?

One disadvantage of specialization is worker dissatisfaction.

From the worker's perspective, an output-based pay system has the advantage of:

Which of the following is not characteristic of time-based compensation plans?

The owner of Touchdown Sports Bar wants to develop a time standard for the task of mixing a specialty cocktail. In a preliminary study, he observed one of his bartenders perform this task seven times with an average of 90 seconds and a standard deviation of five seconds. How many observations should be made if he wants to be 95.44 percent confident that the maximum error in the observed time is one second?

Potential benefits of self-directed teams include higher productivity and greater worker satisfaction.

Job enrichment involves an increase in the level of responsibility for planning and coordinating tasks.

Predetermined time standards are usually based on observing one very efficient worker performing the task.