/* 4 PROGRAM TO CALCULATE WEIGHTED ARITHMETIC MEAN*/

 /* 4 PROGRAM TO CALCULATE WEIGHTED ARITHMETIC MEAN*/

#include<stdio.h>

int main()

{

int x[]={71,83,73,74,65,66};

int w[]={3,4,5,2,3,3};

float wam,wt=0,wtx=0;

int i,wx[6];

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

for(i=0;i<6;i++)

{

wt=wt+w[i];               /*  SUM OF W  */

wx[i]=x[i]*w[i];        /*  MULTIPLICATION OF X*W   */

wtx=wtx+wx[i];        /*  SUM OF X*W */

}

printf("\n\n\tX\tW\tX*W\n\n");

for(i=0;i<6;i++)

printf("\n\t%d\t%d\t%d\n",x[i],w[i],wx[i]);

wam=wtx/wt;

printf("\n The sum of W is:-%f",wt);

printf("\n The sum of X*W is:-%f",wtx);

printf("\n The Weighted Arithmetic Mean is:-%f",wam);

return 0;

}

/*OUTPUT:-

 COMPUTATION OF WEIGHTED MEAN

        X       W       X*W

        71      3       213

        83      4       332

        73      5       365

        74      2       148

        65      3       195

        66      3       198

 The sum of W is:-20.000000

 The sum of X*W is:-1451.000000

 The Weighted Arithmetic Mean is:-72.550003

*/

/* 3 PROGRAM TO CALCULATE ARITHMETIC MEAN FOR CONTINUOUS SERIES*/

 /* 3 PROGRAM TO CALCULATE ARITHMETIC MEAN FOR CONTINUOUS SERIES*/

#include<stdio.h>

int main()

{

int c1[]={0,10,20,30,40,50};

int c2[]={10,20,30,40,50,60};

int f[]={12,18,27,20,17,6};

int i,x[6],xf[6],n=0,a;

float M,sf=0;

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

for(i=0;i<6;i++)

x[i]=(c2[i]+c1[i])/2;   /* Calculation of MID POINT */

for(i=0;i<6;i++)

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

for(i=0;i<6;i++)

{

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

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

}

printf("\n\n\t Class Limit\t Mid Value\t Frequency\tFX\n\n");

for(i=0;i<6;i++)

printf("\n\t%d-\%d\t\t%d\t\t%d\t\t%d\n",c1[i],c2[i],x[i],f[i],xf[i]);

M=sf/n;

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

printf("\nTotal FD:- %f",sf);

printf("\n Arithmetic mean is:- %f",M);

return 0;

}

/* OUTPUT:-

COMPUTATION OF ARITHMETIC MEAN

         Class Limit     Mid Value       Frequency       FX

           0-10                    5                       12                  60

         10-20                  15                       18                 270

         20-30                  25                       27                 675

         30-40                  35                       20                700

         40-50                  45                        17              765

         50-60                  55                         6               330

Total Frequency:- 100

Total FD:- 2800.000000

Arithmetic mean is :- 28.000000

*/

                                                              😀😉👀🙏

/* 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    

*/

                                                                😊😉😦