initial commit / add all books

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+//Example 8.9 From the following table calculate TFR GRR NRR

+clc;

+clear;

+R=0.48;

+BR=[23.6 114.9 145.1 122.6 79.6 35.9 3.3];

+YL=[4482 4426 4359 4288 4202 4100 3979];

+SRR=BR./1000;

+TFR=sum(SRR)*5;

+GRR=R*TFR;

+NRR=(R*sum(SRR.*YL))/1000;

+disp(NRR,"Net Reproduction Rate =",GRR,"Gross Reproduction Rate =",TFR,"Total Fertility Rate =",SRR,"Age Specific Fertility Rate =",YL,"Years Lived by 1000 Females =",BR,"Birth Rates per 1000 Women",R,"Ratio of females to total birth is =");

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