double windowSum = 0.0000;
for(int i=start;i<end;i++){
windowSum += qScores[i];
}
double windowAverage = windowSum / (double)(end-start);
double windowSum = 0.0000;
for(int i=start;i<end;i++){
windowSum += qScores[i];
}
double windowAverage = windowSum / (double)(end-start);