Question

Prepare a frequency distribution table by exclusive method from the marks of 30 students

given below (Take first class as 0-10):
10 12 5 70 65 24 39 46 40 60

82 40 60 74 26 67 17 54 15 49

50 33 27 11 04 19 60 40 72 20

....
....
....
....
plz answer

Answer 1

0-10     II       2    (04 & 05)

10-20   IIII\ I   6   (10, 12, 17, 15 , 11 , 19)

20-30  IIII     4     (24 , 26 , 27 , 20)

30-40  II       2     (39 , 33 )

40-50  IIII\     5     (46 , 40 , 40 , 49 , 40)

50-60  II       2      (54 , 50)

60-70  IIII\     5     (65 , 60 , 60 , 67 , 60)

70-80  III       3     (70 , 74 , 72)

80-90  I        1      (82)