find standard deviation

Author: ayushgaurav30

standard_deviation.cpp

@@ -0,0 +1,36 @@
+#include <iostream>
+#include <cmath>
+using namespace std;
+
+float calculateSD(float data[]);
+
+int main() {
+  int i;
+  float data[10];
+
+  cout << "Enter 10 elements: ";
+  for(i = 0; i < 10; ++i) {
+    cin >> data[i];
+  }
+
+  cout << endl << "Standard Deviation = " << calculateSD(data);
+
+  return 0;
+}
+
+float calculateSD(float data[]) {
+  float sum = 0.0, mean, standardDeviation = 0.0;
+  int i;
+
+  for(i = 0; i < 10; ++i) {
+    sum += data[i];
+  }
+
+  mean = sum / 10;
+
+  for(i = 0; i < 10; ++i) {
+    standardDeviation += pow(data[i] - mean, 2);
+  }
+
+  return sqrt(standardDeviation / 10);
+}