A Methods and Measurement Analyst Wants to Develop a Time

Multiple Choice

A methods and measurement analyst wants to develop a time standard for a certain task. In a preliminary study, he observed one worker perform the task six times with an average observed time of 20 seconds and a standard deviation of 2 seconds.
What is the normal time for this task if the employee worked at a 20 percent faster pace than average?

A) 4 seconds
B) 16.7 seconds
C) 20 seconds
D) 24 seconds
E) 100 seconds