//calculate the amount of time
        int sum = 0;
        for(int i = 0; i < competitors.length; i++){
            sum += competitors[i];
        }

        //avg
         double average = sum / competitors.length;

        //calculate the standard deviation
        int round = 0;
        double x = 0;
        double standardDeviation;
        while(true){
            if(round == (competitors.length)){
                standardDeviation = Math.sqrt(x / competitors.length);
                break;
            }
            x = x + Math.pow(competitors[round] - average,2);
            round++;
        }