/* RunExamStatistics.java        Authors: Koffman & Wolz
 * Application class for running ExamStatistics
 * Uses ExamStatistics, Keyboard
 */
import psJava.KeyIn;
 
public class RunExamStatistics  {

   public static void main(String[] args) {

     // Compute statistics if array is created.
     ExamStatistics ex = 
          new ExamStatistics(KeyIn.readInt("How many scores?"));

     // Read the scores
     ex.readScores();

     // Show results of statistics calculations
     System.out.println("The scores are:\n" + ex.toString());
     System.out.println("\nMinimum score: " + ex.findMin());
     System.out.println("\nMaximum score: " + ex.findMax());
     double mean = ex.computeMean();
     System.out.println("\nMean score: " + mean);
     System.out.println("\nStandard deviation: " + 
                        ex.computeStandDev(mean));
   }
}