Question

16. Class mark of a particular class is 9.5 and the class size is 6, then the class
interval is
(a) 12.5-18.5.
(b) 6.5–12.5.
(C) 3.5-15.5.
(d) 15.5-27.5.​

Answer 1

Your answer is

12.5-18.5

Hope it helps you