Examples of C part 53 display mean , variance and standard division

Program :

#include<stdio.h>
#include<math.h>
main()
{
 int i,j,n;
 float mean,sum=0.0,sumMeanSquare=0.0,meanSquaredDifference,standardDeviation;
 printf("Enter number of terms\n");
 scanf("%d",&n);
 float a[n],subtractMeanSquare[n];
 printf("Enter Numbers\n");
 for(i=0;i<n;i++)
 {
  scanf("%f",&a[i]);
  sum+=a[i];
 }
 mean=(float)(sum/n);
 printf("Mean for given numbers is %f\n",mean);
 for(i=0;i<n;i++)
 {
  subtractMeanSquare[i]=(a[i]-mean)*(a[i]-mean);
  sumMeanSquare+=subtractMeanSquare[i];
 }
 meanSquaredDifference=(float)(sumMeanSquare/n);
 standardDeviation=(float)(sqrt(meanSquaredDifference));
 printf("Variance =%f\n",meanSquaredDifference);
 printf("Sandard Deviation=%f\n",standardDeviation);

}

Output:
Enter number of terms
10
Enter Numbers
56
30
35
78
90
6
76
89
123
23
Mean for given numbers is 60.600000
Variance =1211.239990
Sandard Deviation=34.802872Explanation:
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