How to Take a Weighted Average 🌱

Last updated on August 29, 2020

Say we want to average the elements in the vector $a$ , using a vector $w e i g h t s$ which contains the corresponding weights for each element in $a$ . Then, a weighted average would be: $a v g = s u m (a * w e i g h t s) / s u m (w e i g h t s)$

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