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 the complete cycle?

A) Fewer than 85 seconds
B) Greater than or equal to 85 seconds but fewer than 95 seconds
C) Greater than or equal to 95 seconds but fewer than 105 seconds
D) Greater than or equal to 105 seconds