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Question

Make a frequency table from the following:
Marks obtainedNumber of studentsMore than 600More than 5016More than 4040More than 3075More than 2087More than 1092More than 0100

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Solution

Sol:

Marks (below) Number of students

(Cumulative Frequency)

Class Intervals Frequency
More than 60 0 More than 60 0
More than 50 16 50-60 16-0=16
More than 40 40 40-50 40-16=24
More than 30 75 30-40 75-40=35
More than 20 87 20-30 87-75=12
More than 10 92 10-20 92-87=5
More than 0 100 0-20 100-92=8
Total 100

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