the following distribution shows the a
daily pocket allowance of children of a locality.the mean pocket allowance is ₹18. find the missing frequency f.
11-13---7
13-15---6
15-17---9
17-19---13
19-21---f
21-23---5
23-25---4
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Do like this, the teacher will give full marks.
If you find difficulty in mean, then find mean by direct method because it is the easiest one.
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