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The annual rainfall record of a city for 66 days is given in the following table. Construct a less than and more than ogive and hence find the median.

 Rainfall (in cm) 0-10 10-20 20-30 30-40 40-50 50-60 No. of days 22 10 8 15 5 6
Asked by Topperlearning User | 13 Feb, 2014, 05:05: PM
 Rainfall    (More Than) Cumulative Frequency (Less Than) Cumulative Frequency 0 66 10 22 10 44 20 32 20 34 30 40 30 26 40 55 40 11 50 60 50 6 60 66

Thus, the median of the given data is 25 (approximately).

Answered by | 13 Feb, 2014, 07:05: PM

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