Question

Consider the marks obtained (out of 100) by 30 students of class IX of a school. Find the frequency of 90 & 50 marks from the given data: 88, 90, 45, 67, 90, 50, 55, 67, 50, 78, 90, 77, 46, 87, 50, 76, 45, 77, 98, 99, 50, 94,78, 50, 55, 52, 58, 87, 99, 90.

Answer fast.....​

Answer 1

Answer:

Class

Interval f

0-10 4

10-20 7

20-30 5

30-40 10

40-50 5

50-60 8

60-70 5

70-80 8

80-90 5

90-100 3

Total = 60

Answer 2

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