The owner of Kat Motel wants to develop a time standard for the task of cleaning a cat cage. In a preliminary study, she observed one of her workers perform this task six times, with the following results: $$\begin{array} { l r r r r r r }
\text { Observation } & 1 & 2 & 3 & 4 & 5 & 6 \
\hline \text { Time (seconds) } & 99 & 87 & 90 & 81 & 93 & 90
\end{array}$$ What is the observed time for this task?
A) 81 seconds
B) 90 seconds
C) 99 seconds
D) 108 seconds
E) 540 seconds

Question

The owner of Kat Motel wants to develop a time standard for the task of cleaning a cat cage. In a preliminary study, she observed one of her workers perform this task six times, with the following results: $$\begin{array} { l r r r r r r } 
\text { Observation } & 1 & 2 & 3 & 4 & 5 & 6 \
\hline \text { Time (seconds) } & 99 & 87 & 90 & 81 & 93 & 90
\end{array}$$ What is the observed time for this task?
A) 81 seconds
B) 90 seconds
C) 99 seconds
D) 108 seconds
E) 540 seconds

Quizplus · Accepted Answer

To find the observed time for the task, we simply take the average of the six observations:

(99 + 87 + 90 + 81 + 93 + 90)/6 = 540/6 = 90

Therefore, the observed time for cleaning a cat cage is 90 seconds. The answer is (B).

The Owner of Kat Motel Wants to Develop a Time