Question

4. The following distribution gives the state-wise teacher-student ratio in higher
secondary schools of India. Find the mode and mean of this data. Interpret the two
measures.
Number of students per teacher
Number of states/U.T.
15-20
3
20-25
8
25-30
9
30-35
10
35-40
3
40-45
0
45-50
0
50-55
2
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Answer 1

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