No. of students
8.A survey was conducted for 50 employees in an office regarding their computer usage time. Thedetails are shown in the following table :Time (hours)5 – 5.5 5.5-6 6-6.5 6.5-77-7.5 7.5-88-8.5 8.5-9249151No. of employees1135Find the quartiles , and Q, for the time for the usage of computer.