16. Given below is a cumulative frequency table:
Marks Number of students
Below 10- 17
Below 20- 22
Below 30-. 29
Below 40-. 37
Below 50-. 50
Below 60-. 69
Extract a frequency table from the above.
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Answer:
Marks Frequency
0 -10 17
10-20 5
20-30 7
30-40 8
40-50 13
50-60 19
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