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?

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?

To investigate how people communicate over the internet, a r…

To investigate how people communicate over the internet, a researcher had subjects write messages in an online forum. She split her sample of 76 participants into young adults and older adults based on their age. She then compared how many emojis and emoticons the young adults used in their messages compared to the older adults. What is the best test to analyze the results of this study?