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Exam 9: Work Design and Measurement

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Question 1

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

A)  predetermined times.
B)  MTM.
C)  work sampling times.
D)  judgmental times.
E)  standard elemental times.

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

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Question 2

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Predetermined time standards involve the use of published data regarding how long various activities are expected to take.

A) True
B) False

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Question 3

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Predetermined time standards use historical data from a company's own files.

Work sampling is most frequently used to set time standards.

The methods analysis chart which describes the overall sequence of operations, transportation, storage, delays, and inspection is a:

Ergonomics is the use of computers and robots in the workplace.

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 job time is used?

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: $\begin{array} { l c } \text { Activity } & \text { Time Observed } \\\hline \text { Mowing } & 200 \\\text { Trimming } & 80 \\\text { Raking } & 40 \\\text { Miscellaneous } & 80\end{array}$ Between what limits can the manager be 68.26 percent confident about the true proportion of time spent mowing?

No stopwatch is required in a work sampling study.

A performance rating of less than 1.0 means that the observed worker was judged to be working at a faster than normal rate-doing the job more quickly than normal.

Job design relates to people, therefore technology has little impact.

A methods and measurements analyst for Timepiece, Inc., needs to develop a time standard for the task of attaching a watch to a wristband. In a preliminary study, he observed one of his workers perform this task five times, with the following results: $\begin{array} { | l | c | c | c | c | c | } \hline \text { Observation } & 1 & 2 & 3 & 4 & 5 \\\hline \text { Time(Seconds) } & 27 & 19 & 20 & 21 & 13 \\\hline\end{array}$ What is the normal time for this task if the employee worked at a 20 percent faster pace than average?

Therbligs are basic elemental motions.

Motivation influences quality and productivity, but not the work environment.

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. What is the standard time for this task if the bartender worked at a 20 percent faster pace than is average, and an allowance of 20 percent of the workday is used?

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

Specialization is one of the sources of disagreement between the efficiency and behavioral approaches to job design.

A methods and measurements analyst for Timepiece, Inc., needs to develop a time standard for the task of attaching a watch to a wristband. In a preliminary study, he observed one of his workers perform this task five times, with the following results: $\begin{array} { | l | c | c | c | c | c | } \hline \text { Observation } & 1 & 2 & 3 & 4 & 5 \\\hline \text { Time(Seconds) } & 27 & 19 & 20 & 21 & 13 \\\hline\end{array}$ What is the standard time for this task if the employee worked at a 20 percent faster pace than average, and an allowance of 20 percent of the workday is used?

An advantage of work sampling, compared to a stopwatch time study, is that observations are spread out over a period of time in work sampling.

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