Question: What best describes what the following function does? double yyy ( int vals[], int z) { for(int i = 1; i < z; i++) sum

What best describes what the following function does?

double yyy ( int vals[], int z) {

for(int i = 1; i < z; i++)

sum = sum + vals[i];

cout << sum / (z * 1.0);

}

computes the average of all array elements
computes the average of all array elements except for the first and the last
does nothing, the array has not been initialized
computes the average of all array elements except for the first

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