package deviasi; import java.util.Scanner; public class Deviasi { public static void main(String[] iriahus) { Scanner s = new Scanner(System.in); final double T_NUM = 10; int n = 0; double sigmaN = 0; double sigmaN2 = 0; double sum = 0; System.out.print("Input 10 nilai: "); while (n < T_NUM) { double num = s.nextDouble(); sum += num; sigmaN = sum; sigmaN2 += num * num; n++; } System.out.println("Meannya adalah " + (sum / T_NUM)); System.out.println("Standard deviasinya adalah " + Math.sqrt((sigmaN2 - sigmaN * sigmaN / T_NUM) / (n - 1))); } }
package ratarata; import java.io.*; import java.util.Scanner; public class Ratarata { public static void main(String[] args)throws Exception { BufferedReader kata = new BufferedReader(new InputStreamReader(System.in)); int a,i; float rata,total=0; int maks=-1000; int min=1000; System.out.print("Jumlah nilai: "); a = Integer.parseInt(kata.readLine()); int[] Angka=new int[a]; Scanner input = new Scanner(System.in); for(i=0;i<a;i++) { System.out.print("Nilai Ke " +(i+1)+" : "); Angka[i]=input.nextInt(); } for (i=0;i<Angka.length;i++) { if(Angka[i]>maks) { maks=Angka[i]; } if(Angka[i]<min) { min=Angka[i]; } total=total+Angka[i]; System.out.println(""); } rata=total/a; System.out.println("Nilai Maksimum "+ maks); System.out.println("Nilai Minimum "+min); System.out.println("Nilai Rata-Rata "+rata); }