Multiple Choice
A Methods and Measurements Analyst needs to develop a time standard for a certain task.In a preliminary study,he observed one of his employees perform this task five times,with the following results: 
How many observations should be made if the analyst wants to be 99.74 percent confident that the maximum error in the observed time is two seconds? Assume that the standard deviation of task times is 4 seconds.
A) 5
B) 6
C) 25
D) 36
E) 49
Correct Answer:
Verified
Correct Answer:
Verified
Q129: The owner of Kat Motel wants to
Q130: Which of the following is not an
Q131: A job had an observed time of
Q132: The work measurement technique that counts the
Q133: Work/job design involves all EXCEPT which of
Q135: The manager of Lawn and Garden Services
Q136: Given the following work sampling data,based upon
Q137: A Methods and Measurements Analyst for Timepiece,Inc.needs
Q138: An increase in the desired confidence level
Q139: Output-based compensation approaches are more widely used