Question 1

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

Accepted Answer

A)   90 percent
B)   95 percent
C)   95.44 percent
D)   99 percent
E)   99.7 percentF) None of the above
G) A) and B)

Question 2

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?

Accepted Answer

A)   80 seconds
B)   96 seconds
C)   100 seconds
D)   120 seconds
E)   125 secondsF) D) and E)
G) B) and C)

Question 3

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.

Accepted Answer

[Minute readings ass...

Question 4

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?

Accepted Answer

The answer of What number of observations would be required...

Question 5

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

Accepted Answer

A)   16.7 seconds
B)   20 seconds
C)   24 seconds
D)   25 seconds
E)   100 secondsF) A) and E)
G) B) and C)

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A)   job enlargement.
B)   job rotation.
C)   job enrichment.
D)   increase in wages.
E)   self-directed teams.F) None of the above
G) B) and E)

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A)   Improved responsiveness to problems
B)   Higher productivity
C)   Greater worker satisfaction
D)   Emphasis of manager's role shifts to command and controlE) None of the above
F) A) and B)

Question 11

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

Accepted Answer

A)   observed time.
B)   normal time.
C)   standard time.
D)   allowance time.
E)   performance rating time.F) A) and B)
G) A) and C)

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A)   0 and .683
B)   .475 and .525
C)   .45 and .55
D)   .425 and .575
E)   .4 and .6F) A) and C)
G) A) and E)

Question 14

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.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

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

Accepted Answer

A)   Increases
B)   Decreases
C)   Unaffected
D)   May increase or decrease, depending on the sample standard deviation
E)   Impossible to say without additional informationF) A) and D)
G) A) and C)

Question 17

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

Accepted Answer

A)   stop watch study.
B)   time and motion study.
C)   work sampling.
D)   piece rate study.
E)   predetermined time standards.F) C) and E)
G) B) and C)

Question 18

Tables of predetermined time standards make work measurement studies straightforward.

Accepted Answer

A) True 
 B)False

Question 19

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:

Accepted Answer

A)   0.54
B)   2.16
C)   2.70
D)   3.24
E)   3.60F) A) and B)
G) B) and E)

Question 20

In work sampling,observations should be taken:

Accepted Answer

A)   at the same time each day.
B)   within a short period of time.
C)   at randomly determined times.
D)   once every hour.
E)   once every day.F) B) and E)
G) A) and B)

Exam 7: A: Design of Work Systems

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Tables of predetermined time standards make work measurement studies straightforward.

Correct AnswerverifiedShow Answer

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:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In work sampling,observations should be taken:

Correct AnswerverifiedShow Answer

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.

Correct Answerverified[Minute readings ass...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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[Minute readings ass...
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