Multiple Choice
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:
How many observations should be made if he wants to be 95.44 percent confident that the maximum error in the observed time is 1 second? Assume that the standard deviation of the task time is 5 seconds.
A) 5
B) 10
C) 25
D) 100
E) 121
Correct Answer:
Verified
Correct Answer:
Verified
Q105: Which of the following is not characteristic
Q106: A worker-machine chart can help identify nonproductive
Q107: Negotiated purchasing results in lower unit costs
Q108: A manager wants to analyze the learning
Q109: For an 80 percent learning curve, if
Q111: A job has an 80 percent learning
Q112: Learning curves are mostly relevant for complex,
Q113: One therblig is the equivalent of 1
Q114: To which worker would learning curves be
Q115: A behavioral approach to job design that