ʻO ka averika arithmetic kahi waiwai i hoʻohana pinepine ʻia i nā helu helu, i helu ʻia me ka averika helu o nā waiwai.
Inā loaʻa iā mākou kahi o
n
nā waiwai. Kāhea kākou iā lākou
x1, x2, …, xn.
E kiʻi i ka awelika, hoʻohui i nā mea āpau
xi
a mahele i ka hopena e
n.
\(
\overline{x} = \dfrac{x_1 + x_2 + ... + x_n}{n}
\)