Find the mean from the following frequency distribution of marks at a

Find the mean from the following frequency distribution of marks at a test in statistics: Marks (x): 5 10 15 20 25 30 35 40 45 50 No. of students (f): 15 50 80 76 72 45 39 9 8 6

Answer» Find the mean from the following frequency distribution of marks at a test in statistics:

Marks (x):	5	10	15	20	25	30	35	40	45	50
No. of students (f):	15	50	80	76	72	45	39	9	8	6