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The following table show tha cumulative ...

The following table show tha cumulative frequency distribution of marks of 800 students in an examination.

Construct a frequency distribution table for the data above.

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Here, we observe that 10 students have scrored marks below 10 i.e. it lies between class interval 0-10. Similarly, 50 students have scored mark below 20. So, 50-10=40 students lies in the interval 10-20 and so on. The table of a frequency distribution for the given data is
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