int x ; int sum = 0;


void setup() {

Serial.begin(9600);

}

void loop() {
 
 sum = 0;

 for (int i = 0; i<100 ; i++){

   x = random(100);
   sum = sum + x;

 }

 int average = sum / 100;

 Serial.print("Sum of 100 random numbers = ");
 Serial.print(sum);
 Serial.print(", Average is ");
 Serial.println(average);

 delay(1000);

}