Children’s Hospital is studying the number of emergency surgery kits that it uses on weekends. Over the last 40 weekends the number of kits used is as follows:
Number of Kits Frequency
4 .............. 4
5 .............. 6
6 .............. 10
7 .............. 12
8 .............. 8
The following random numbers have been generated: 11, 52, 59, 22, 03, 03, 50, 86, 85, 15, 32, 47. Simulate 12 nights of emergency kit usage. What is the average number of kits used during these 12 nights?