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The following frequency distribution tab...

The following frequency distribution table shows the amount of aid given to 50 flood affected families.Find the mean of the amount of aid.

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The correct Answer is:
The mean of amount of aid is Rs. `72,400`.
Let us find the mean by'Direct Method ' .

Mean `barX = (Sigmax_(i)f_(i))/N = (3620)/50 = 72.4` (Thousand)
`barX = 72.4 xx 1000 = 72400`
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