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 select time for work element 4?

A) Fewer than 40 seconds
B) Greater than or equal to 40 seconds but fewer than 60 seconds
C) Greater than or equal to 60 seconds but fewer than or equal to 80 seconds
D) Greater than or equal to 80 seconds