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Question

Make a frequency table from the following:

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Solution

Given is the cumulative frequency for each interval. Since the given table is more than type, we can find the frequency of each class interval starting from bottom and subtracting each preceding value.

For example: More than 0 is 100 and more that 10 is 92.Therefore, frequency of the interval 010 will be 10092=8. In a similar manner all the frequencies of the respective class interval can be found.

The following table represents the frequency table of number of students.

Class Frequency No. of students
010 10092=8 8
1020 9287=5 5
2030 8775=12 12
3040 7540=35 35
4050 4016=24 24
5060 160=16 16



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