The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers. The percentage of walk-in customers waiting more than 6 minutes was ______.
A)22%
B)11%
C)67%
D)10%
E)75%

Question

The staff of Mr.Wayne Wertz,VP of Operations at Portland Peoples Bank,prepared a cumulative frequency ogive of waiting time for walk-in customers.  The percentage of walk-in customers waiting more than 6 minutes was ______.
A)22% 
B)11% 
C)67% 
D)10% 
E)75%

Quizplus · Accepted Answer

To find the percentage of walk-in customers waiting more than 6 minutes, we need to look at the vertical axis of the cumulative frequency ogive where the x-value is 6. Then, we read across to the ogive curve to find the corresponding percentage. From the graph, we can see that the percentage of walk-in customers waiting more than 6 minutes is approximately 11%. Therefore, the correct answer is choice B.

The Staff of Mr