Refer to the results from the SimQuick simulation model below to answer the foll

Question

Refer to the results from the SimQuick simulation model below to answer the following 5 multiple-choice questions. You will see that the results are similar to the two-teller, bank model described from pages 19-21 in the SimQuick book. You can click the image to open it in its own window if you wish.



11.
Based on the above simulation results, on average, how long are tellers working per hour? (Time is measured in minutes, and there are two tellers)

12.
On average, how long do customers wait in the line (buffer) before going to one of the two tellers?


13.
On average, the throughput of the service system at the end of the simulation is estimated at:

14.
On average, approximately how long does a customer spend in the service system if the teller takes an average of 2.4 minutes to serve a customer?

15.
In addition to the average performance of the system, process analysts must also consider ___________ to arrive at valid conclusions regarding the performance of a service system.

A) process variation.
B) process toleration.
C) process design.
D) process control.
E) None of these answers.

Simulation   Results Element Types Element name overall Simulation number means 1 2 3 Enterance Door Objects entering  Process 59.50 43.00 65.00 56.00 Objects unable to   enter 0.00 0.00 0.00 0.00 Service level 1.00 1.00 1.00 1.00 work   Station(s) Teller#1 Final status NA Not working working working Final Inventory (int.   buff.) 0.00 0.00 0.00 0.00 mean inventory (int.   buff.) 0.00 0.00 0.00 0.00 mean cycle time(int.   buff.) 0.00 0.00 0.00 0.00 Work cycles started 33.43 25.00 38.00 29.00 Fraction time working 0.66 0.50 0.72 0.59 fraction time blocked 0.00 0.00 0.00 0.00 Teller#2 Final status NA Not working working working Final Inventory (int.   buff.) 0.00 0.00 0.00 0.00 mean inventory (int.   buff.) 0.00 0.00 0.00 0.00 mean cycle time(int.   buff.) 0.00 0.00 0.00 0.00 Work cycles started 25.57 18.00 23.00 26.00 Fraction time working 0.51 0.35 0.49 0.53 fraction time blocked 0.00 0.00 0.00 0.00 Buffer(s) line Objects leaving 59.00 43.00 61.00 55.00 Final Inventory 0.50 0.00 4.00 1.00 Minimum Inventory 0.00 0 0.00 0 Maximum Inventory 3.77 2 4.00 4 Mean Inventory 0.38 0.04 0.32 0.31 Mean Cycle time 0.73 0.11 0.63 0.67 Served customers Objects leaving 0.00 0 0.00 0 Final Inventory 57.83 43 59.00 53 Minimum Inventory 0.00 0 0 0 Maximum Inventory 57.83 43 59 53 Mean Inventory 28.22 16.7 28.12 23 Mean Cycle time infinite infinite infinite infinite

Explanation / Answer

15)B) process toleration.

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