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In the given table frequency distribution of marks in mathematics of 100 students are given. Express the values of frequency as pecentage of total frequency (Relative frequency).
Which class has the maximum and minimum concentration of data ?
Frequency Distribution of Marks in Mathematics of 100 Students
Marks
Frequency
0–10
1
10–20
8
20–30
6
30–40
7
40–50
21
50–60
23
60–70
19
70–80
80–90
5
90–100
4
Total
100
