C program for calculation of mean, median, mode

/*calculation of mean,median,mode*/

#include<stdio.h>

void

main()

{

                int i,j,n;

                float a[100],t,sum=0.0,mean,median,mode;

                printf("enter the total number of data");

                scanf("%d",&n);

                printf("type the input data:\n");

                for(i=0;i<n;i++)

                {

                                scanf("%f",&a[i]);

                                sum=sum+a[i];

                }

                mean=sum/n;

                printf("mean=%f\n",mean);

                /*sorting array*/

                for(j=0;j<n;j++)

                {

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

                                {

                                                if(a[i]>a[j])

                                                {t=a[i];

                                                a[i]=a[j];

                                                a[j]=t;

                                                }

                                }

                }

                if(n%2==0)

                                median=(a[n/2]+a[(n-2)/2])/2;

                else

                                median=a[(n-1)/2];

                mode=(3*median)-(2*mean);

                printf("median=%f\n",median);

                printf("mode=%f\n",mode);

}

RESULT1:

enter the total number of data3

type the input data:

1

4

3

mean=2.666667

median=3.000000

mode=3.666667

Press any key to continue

RESULT2:

enter the total number of data 10

type the input data:

2

4

6

5

8

1

0

15

66

40

mean=14.700000

median=5.500000

mode=-12.900000

Press any key to continue

RESULT3:

enter the total number of data6

type the input data:

2

25

13

7

21

4

mean=12.000000

median=10.000000

mode=6.000000

Press any key to continue