Question: A methods and measurement analyst needs to develop a time standard for a certain task. In a preliminary study, she obse What is the observed

A methods and measurement analyst needs to develop a time standard for a certain task. In a preliminary study, she obse What is the observed time for this task? 240 seconds 160 seconds 84 seconds 80 seconds 400 seconds study, she observed one worker perform a task five times, with the following results
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