float percent = 0;
	String getStatistics(){		int packets = received+lost;		float percent = 0;//		if (packets != 0){//			percent = lost/packets;//			percent *= 100;//		}		float avg = sum/packets;		return new String(			packets +" packets transmitted, "+ received +" packets received\n"+ //			percent +"% packet loss\n"+			"round-trip min/avg/max = "+ min +"/"+ avg +"/"+ max +" ms"		);	}