sample mean

Noun

 * 1)  Given a random sample $$\textstyle \mathbf{x}_{1},\ldots,\mathbf{x}_{N}$$ from an $$\textstyle n$$-dimensional random variable $$\textstyle \mathbf{X}$$, a mean defined as
 * $$ \mathbf{\bar{x}}=\frac{1}{N}\sum_{k=1}^{N}\mathbf{x}_{k}. $$

Related terms

 * population mean

Translations

 * Czech: výběrový průměr
 * Finnish: otoskeskiarvo