Question

From the following frequency distribution table, prepare 'less than' and 'more than' cumu-

lative frequency distribution table.

Class (Mark obtained) Number of student

0-20 7

20-40 12

40-60 13

60-80 8

80-100 10

Answer 1

Less than c.f....
7
7+12= 29
29+13= 32
32+8=40
40+10=50


Greater than c.f...
50
38
25
17
7


Hope it helps you..