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UPSC CDS Math Statistics Questions

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Question : 59 of 63

Marks: +1, -0

The following ' table gives less than’ type frequency distribution of income per day :

Income (₹) less than	Number of persons
1500	100
1250	80
1000	70
750	55
500	32
250	12

What is the modal class ?

250 - 500
500 - 750
750 -1 0 0 0
None of the above

Solution:

Income	Number of persons
0-250	12
250-500	20
500-750	23
750-1000	15
1000-1250	10
1250-1500	20

The maximum frequency (or the number of persons) is 23. The class with maximum frequency is called the modal class. So, the modal class is

500–750.

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