mean
$\overline{X}$=$\frac{x_1+x_2)+...+x_n}[n}$
Simpangan kuartil (jangkauan semi interkuartil)
$Q_d$=$\frac{Q_3-Q_1}{2}$
Rataan Harmonis
RH = $ (\frac{n}{\frac{1}{x_1} + \frac{1}{x_2} + \frac{1}{x_3} +{...}+\frac{1}{x_n}})$
Rataan Kuadrat =
RK = $\sqrt{\frac{x^2_1+x^2_2+...+x^2_n}{n}}$
