Arithmetic mean
maths
Arithmetic mean
Given $k$ values $w_i \in \mathbb{R}$ for $1 \leq i \leq k$ we define the arithmetic mean to be
$$\frac{1}{k} \sum_{i=1}^k w_i.$$Given $k$ values $w_i \in \mathbb{R}$ for $1 \leq i \leq k$ we define the arithmetic mean to be
$$\frac{1}{k} \sum_{i=1}^k w_i.$$