/* 2. PROGRAM TO CALCULATE ARITHMETIC MEAN FOR DISCRETE SERIES*/

 /* 2. PROGRAM TO CALCULATE ARITHMETIC MEAN FOR DISCRETE SERIES*/

#include<stdio.h>

int main()

{

int x[]={1,2,3,4,5,6,7};

int f[]={5,9,12,17,14,10,6};

int i,xf[7],n=0;

float M,sf=0;

printf("\n COMPUTATION OF ARITHMETIC MEAN");

for(i=0;i<7;i++)

{

n=n+f[i];        /* Addition of Frequency */

xf[i]=x[i]*f[i]; /* Multiplication of X and Frequency */

sf=sf+xf[i];     /* Addition of X*Frequency */

}

printf("\n\n\tX\tFrequency\tFX\n\n");

for(i=0;i<7;i++)

printf("\n\t%d\t%d\t\t%d\n",x[i],f[i],xf[i]);

M=sf/n;

printf("\n Total Frequency: -%d",n);

printf("\n Total FX:- %f",sf);

printf("\n Arithmetic Mean Is:- %f",M);

return 0;

}

 

/* OUTPUT:-

 COMPUTATION OF ARITHMETIC MEAN

        X        Frequency       FX

        1                 5                5

        2                 9               18

        3                12              36

        4                17              68

        5                14              70

        6                10              60

        7                 6               42

 Total Frequency:- 73

 Total FX:- 299.000000

 Arithmetic Mean Is:- 4.095891    

*/

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