There is a severe shortage of critical care doctors and
nurses to provide intensive-care services in hospitals. To offset
this shortage, many hospitals are using electronic intensive-care
units (eICUs) to help provide this care to patients. eICUs use
electronic monitoring tools and two-way communication through video
and audio so that a centralized staff of specially trained doctors
and nurses—who can be located as far away as Australia—can provide
critical care services to patients located in remote hospitals
without fully staffed ICUs. One of the most important metrics
tracked by these eICUs is the time that a patient must wait for the
first video interaction between the patient and the eICU staff.
Suppose the following is a sample of 3 patient waiting times in
minutes until their first video interaction with the eICU
staff:
8, 8, 20
Find the coefficient of variation
57.74%
173.21%
6.93%
19.00%
47.14%