Exam 7: A: Design of Work Systems

A work sampling study of kitchen help is to be designed.The study will be conducted over a nine-day period.The kitchen help works a seven-hour shift.Determine the day,hour,and minute of five observations using the random digits listed below. Arrange observations chronologically.

Which of the following is not a potential benefit of the use of self-directed teams?

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

Flow process charts can be useful for analyzing and improving methods.

How confident can the manager be that the true proportion of time spent mowing is between.45 and.55?

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

Tables of predetermined time standards make work measurement studies straightforward.

For purposes of obtaining good time standards using a stopwatch time study,the analyst should try to avoid having the worker discover that he or she is being observed.

What number of observations would be required in a time study in order to obtain a 95 percent confidence that the average time observed was no more than 0.6 minutes from the true mean,assuming a standard deviation of cycle time of 1.8 minutes?

An increase in the desired confidence level has what effect on the number of observations necessary in a time study?

In work sampling,observations should be taken:

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

Predetermined time standards are based on historical data from individual company's files.

A worker-machine chart can be used to determine how many machines an operator can manage.

In order to make jobs more interesting,job designers use all of the following EXCEPT:

The work measurement technique that counts the number of times a worker is working at various tasks or is idle is:

In a stopwatch time study,adjusting the normal time by an allowance factor for normal delays and interruptions results in the:

A job had an observed time of three minutes,a performance rating of 0.90,and an allowance factor that was 20 percent of job time.Standard time for the job in minutes is:

A worker-machine process chart is helpful to visualize portions of a work cycle during which an operator and equipment are busy or idle.

Methods-time measurement (MTM)requires analysts to collect multiple observations of the times to complete every basic motion in a job task.