A Worker Was Observed for Four Cycles in a Repetitive

Multiple Choice

A worker was observed for four cycles in a repetitive task. The observer recorded the following times, in seconds, using the continuous method. The ratings for each element and frequency it is performed are also indicated in the table. The allowance fraction is 20 percent.
$$\begin{array} { | c | c | c | c | c | c | c | } \hline \text { Element } & \text { Cycle 1 } & \text { Cycle 2 } & \text { Cycle 3 } & \text { Cycle 4 } & \text { Rating } & \text { Frequency } \\\hline \mathbf { 1 } & 15 & 106 & 208 & 309 & 1.10 & 1.0 \\\hline \mathbf { 2 } & 37 & 131 & 234 & 334 & 1.05 & 0.5 \\\hline \mathbf { 3 } & 47 & 143 & 245 & 348 & 1.20 & 0.5 \\\hline \mathbf { 4 } & 90 & 190 & 293 & 392 & 1.15 & 1.0 \\\hline\end{array}$$
-Use the information in Table H.3.What is the normal time for work element 2?

A) Fewer than 10 seconds
B) Greater than or equal to 10 seconds but fewer than 11 seconds
C) Greater than or equal to 11 seconds but fewer than 12 seconds
D) Greater than or equal to 12 seconds