Umndilili wearithmetic lixabiso elisoloko lisetyenziswa kubalo, elibalwa ngokomndilili wearithmetic yamaxabiso.
Ukuba sineseti ye
n
amaxabiso. Masibabize
x1, x2, …, xn.
Ukufumana i-avareji, yongeza konke
xi
kwaye wahlule iziphumo ngo
n.
\(
\overline{x} = \dfrac{x_1 + x_2 + ... + x_n}{n}
\)