The chart below contains the data showing wait times (minutes) for a sample of patients at offices that do not have an office tracking system and wait times for a sample of patients at offices with an office tracking system.

Q: What are the variance and standard deviation of patient wait times for offices with a wait tracking system? What are the variance and standard deviation of patient wait times for visits to offices without a wait tracking system? round the answers to 2 decimal place.

Without Wait Tracking System	With Wait Tracking System
24	32
67	12
17	13
19	19
32	12
43	36
12	9
22	14
16	12
36	15