A Methods and Measurements Analyst for Digital Devices Needs to Develop

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 normal time for this task if the employee worked at a 20 percent faster pace than average?

A) 8 seconds
B) 32 seconds
C) 40 seconds
D) 48 seconds
E) 200 seconds

Correct Answer:

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