CODE TUNING

TO DISPLAY THE MEAN AND STANDERD DEVIATION OF THREE NUMBERS

To compute mean and standard deviation of three number a,b,c

#include<stdio.h>

#include<math.h>

Void main()

{

Float a,b,c,d,m,sd;

Clrscr();

Printf(“enter three numbers”);

Printf(“first number ?”);

Scanf(“%f”,&a);

Printf(“second number ?”);

Scanf(“%f”,&b);

Printf(“third number ?”);

Scanf(“%f”,&c);

M=(a+b+c)/3.0;

Sd=sqrt((pow(a-m),2)+pow(b-m),2)+pow(c-m),2))/3.0;

Printf(“average of %g,%g and %g is %g”,a,b,c,sd);

Getch();

}