CBSE Class 10 Answered
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
Expert Answer
|
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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