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

Question

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

Quizplus · Accepted Answer

The observed time is the average of the times recorded in the observations. The sum of the times is 400 seconds, and there are 5 observations, so the average is 400/5 = 80 seconds.

A Methods and Measurements Analyst Needs to Develop a Time