Использование языка программирования Java
int myArray[] = {15,25,85,32,74,15,3,25,63,32,2,1,9,4,54,25,0,65,74};
int max = myArray[0];
int min = myArray[0];
int sum = 0;
for (int i=0 ; i< myArray.length() ; i++){
if(myArray[i] > max){
max=myArray[i];
}
if(myArray[i] < min){
min=myArray[i];
}
sum += myArray[i];
}
int average = sum / myArray.length();