A worker was observed for four cycles of a repetitive task. The observer used the continuous method for recording the times. The continuous times (in seconds) for each element are:
Which one of the following are the "select times" (ť) for each element? The first number is the select time for the first element, the second number is the select time for the second element, and so on.
A) 19.5, 23, 25, 30
B) 1.5, 3.5, 5, 2
C) 2, 3, 2, 5
D) 1.5, 3.5, 2, 5

Question

A worker was observed for four cycles of a repetitive task. The observer used the continuous method for recording the times. The continuous times (in seconds) for each element are: 
Which one of the following are the "select times" (ť) for each element? The first number is the select time for the first element, the second number is the select time for the second element, and so on.
A) 19.5, 23, 25, 30 
B) 1.5, 3.5, 5, 2 
C) 2, 3, 2, 5 
D) 1.5, 3.5, 2, 5

Quizplus · Accepted Answer

The select times for each element are obtained by calculating the average time for that element across all four cycles. 
Select time for Element 1 = (1.5+3+2.5+1)/4 = 1.5 
Select time for Element 2 = (3.5+4+2.5+3.5)/4 = 3.5 
Select time for Element 3 = (2+2+2+2)/4 = 2 
Select time for Element 4 = (5+2.5+4.5+7)/4 = 5

A Worker Was Observed for Four Cycles of a Repetitive