Question

James needs to clock in a minimum of 9 hours per day at work. However, the working hours that he records varies between 9 to 12 from day to day. His recorded working hours for a certain number of days are as follows:
{9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}.