A Methods and Measurements Analyst Needs to Develop a Time

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 workers perform this task five times, with the following results: $$\begin{array} { | l | c | c | c | c | c | } \hline \text { Observation } & 1 & 2 & 3 & 4 & 5 \\\hline \text { Time(Seconds) } & 84 & 76 & 80 & 84 & 76 \\\hline\end{array}$$ What is the observed time for this task?

A)  80 seconds
B)  84 seconds
C)  160 seconds
D)  240 seconds
E)  400 seconds