A Methods and Measurements Analyst for Digital Devices Needs to Develop

Multiple Choice

A methods and measurements analyst for Digital Devices needs to develop a time standard for the task of assembling a computer mouse. In a preliminary study, she observed one of her workers perform this task six times with the following results: $$\begin{array} { l r r r r r r } \text { Observation } & 1 & 2 & 3 & 4 & 5 & 6 \\\hline \text { Time (seconds) } & 46 & 38 & 40 & 34 & 42 & 40\end{array}$$ What is the standard time for this task if the employee worked at a 20 percent faster pace than average and an allowance of 25 percent of job time is used?

A) 40 seconds
B) 50 seconds
C) 53.3 seconds
D) 60 seconds
E) 64 seconds