Rewrite the program with a little bit of changes in the codes...

Rewrite the program with a little bit of changes in the codes...

#include <stdio.h>
#include <math.h>

int main()
{
// Array declaration
    int ARRSIZE = 6;
    int MARK[ARRSIZE], INDX, SMALLEST, 
        BIGGEST;
    float TOT = 0.0, AVG, VARIAN, 
          T_NUM_M_AVG_P2 = 0.0, STD;

// Read an array
    for (INDX = 0; INDX <= ARRSIZE-1; INDX ++)
    {    
        printf("Please enter a number ");
        scanf("%d", &MARK[INDX]);
    }

// Calculate total numebr
    for (INDX = 0; INDX <= ARRSIZE-1; INDX ++)
    {    
        TOT = TOT + MARK[INDX];
    }
    
// Calculate average
    AVG = TOT / float (ARRSIZE);
    
// Find smallest and bigest number
    SMALLEST = MARK[0];
    BIGGEST = MARK[0];
    for (INDX = 1; INDX <= ARRSIZE-1; INDX ++)
    {    
        if (SMALLEST > MARK[INDX]) SMALLEST = MARK[INDX];
        if (BIGGEST < MARK[INDX]) BIGGEST = MARK[INDX];
    }

// Calculate VARIAN and STD
    for (INDX = 0; INDX <= ARRSIZE-1; INDX ++)   
        T_NUM_M_AVG_P2 = T_NUM_M_AVG_P2 + 
           pow((float(MARK[INDX]) - AVG), 2.0);

    VARIAN = T_NUM_M_AVG_P2 / float (ARRSIZE-1);
    STD = sqrt(VARIAN);
    

// Print number and results
    for (INDX = 0; INDX <= ARRSIZE-1; INDX ++)
    {    
        printf("\nNumber entered %d", MARK[INDX]);
    }
    printf("\nTotal %f", TOT);
    printf("\nAverge %f", AVG);
    printf("\nThe smallest %d", SMALLEST);
    printf("\nThe biggest %d", BIGGEST);
    printf("\nThe varian %f", VARIAN);
    printf("\nThe STD %f", STD);

    return 0;

}