Per capita

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Per capita is a Latin phrase meaning for each head.

It is usually used in the field of statistics to indicate the average per person for any given concern, e.g. income, crime.

It is also used in wills to indicate that each of the named beneficiaries should inherit equal shares of the estate. This is in contrast to a per stirpes division, in which each branch of the inheriting family inherits an equal share of the estate.

The change per capita of a function f(x) is: 1/f(x) * df(x)/dx = f'(x)/f(x)

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