The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is 18. Find the missing frequency k.
Daily Pocket allowance (in rupees) |
11 − 13 |
13 − 15 |
15 - 17 |
17 − 19 |
19 − 21 |
21 − 23 |
23 − 25 |
Number of Students |
3 |
6 |
9 |
13 |
k |
5 |
4 |
OR
The following frequency distribution shows the distance (in metres) thrown by 68 students in a Javelin throw competition.
Distance |
0 − 10 |
10 − 20 |
20 − 30 |
30 − 40 |
40 − 50 |
50 − 60 |
60 − 70 |
Number of Students |
4 |
5 |
13 |
20 |
14 |
8 |
4 |
Draw a less than type Ogive for the given data and find the median distance thrown using this curve.
This is a question of CBSE Sample Paper - Class 10 - 2017/18.
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