What is the impact of variability in processing and arrival times on average waiting time? Why does this occur?
What is the impact on average waiting time of pooling the four separate ICUs into one large ICU? Why do you think pooling has this effect on those performance measures?
What is the impact of lower efficiency on the performance of the pooled unit vs. the un-pooled units?
What recommendations would you give to the managers of these two ICU systems?