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  3. suppose that the average waiting time for a patient at...

Question: suppose that the average waiting time for a patient at...

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Suppose that the average waiting time for a patient at a physician's office is just over 29 minutes. In order to address the issue of long patient wait times, some physicians' offices are using wait-tracking systems to notify patients of expected wait times. Patients can adjust their arrival times based on this information and spend less time in waiting rooms. The following data show wait times (in minutes) for a sample of patients at offices that do not have a wait-tracking system and wait times for a sample of patients at offices with a wait-tracking system.

Without Wait-
Tracking System
With Wait-
Tracking System
24 31
67 11
17 14
20 18
31 12
44 37
12 9
23 13
16 12
37 15
(a) What are the mean and median patient wait times for offices with a wait-tracking system?
If required, round your answer to two decimal places.
Mean =
Median =
What are the mean and median patient wait times for offices without a wait-tracking system?
If required, round your answer to two decimal places.
Mean =
Median =
(b) What are the variance and standard deviation of patient wait times for offices with a wait-tracking system?
If required, round your answer to two decimal places.
Variance =
Standard deviation =
What are the variance and standard deviation of patient wait times for visits to offices without a wait-tracking system?
If required, round your answer to two decimal places.
Variance =
Standard deviation =
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