4 ms·>>> Average: $$\frac{1}{N}\sum_{n=1}^N x_i$$ since when 1/N means "len(n)"?by _ZeD_ 7y ago>>> Average: $$\frac{1}{N}\sum_{n=1}^N x_i$$ since when 1/N means "len(n)"?lonelappde 7y agoThe article says N = len(x)