A study looks at the average wait times (minutes) in hospita…
A study looks at the average wait times (minutes) in hospital Emergency Rooms before and after a training programming for staff. Below is the data that was collected (note: N/A means data is missing because the hospital failed to report it). ER Wait Times (in mins) Pre-Training Post-Training Hospital 1 N/A 14 Hospital 2 10 11 Hospital 3 27 26 Hospital 4 N/A 28 Hospital 5 37 27 Hospital 6 17 15 Hospital 7 28 N/A Hospital 8 12 15 Hospital 9 19 11 Hospital 10 N/A 30 What are the degrees of freedom for this test?