Mathematics
The daily expenditure of 100 families are given below. Calculate f1 and f2, if the mean daily expenditure is ₹188.
Expenditure (in ₹) | No. of families |
---|---|
140 - 160 | 5 |
160 - 180 | 25 |
180 - 200 | f1 |
200 - 220 | f2 |
220 - 240 | 5 |
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