public class Stats
{
    int sum = 0;
    int mean = 0;
    double median = 0.0;
    double deviation = 0.0;



 static public ArrayList<Double> callStats()
 {

     String statFile = "Saved_Draws.txt";:

     ArrayList<Double> savedStats = new ArrayList<Double>();
         try
        {

            FileReader dataReader = new FileReader(statFile);
            BufferedReader savedFile = new BufferedReader(dataReader);


            String statsPerLine = savedFile.readLine();


            while (statsPerLine != null)
            {
                savedStats.add(Double.parseDouble(statsPerLine));
                statsPerLine = savedFile.readLine();
            }
            return savedStats;

       } catch (FileNotFoundException exp)
          {
            exp.printStackTrace();
            return null;
          } catch (IOException exp)
         {
            return null;
         }