glossary    * V *
Demographical and statistical terms Symbols
variance (empirical)
represents the variance computed on observed female age-specific fertility rates.
DS
variance (theoretical)
represents the variance computed by the fertility function.
VA
value of maximum fertility rate at age FXM
is the maximum of observed or theoretical values of age-specific fertility rates
F(FXM)
vital index
is the ratio of the number of births to the number of deaths during a period.
 

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