The cubic mean (written as x ¯ c u b i c {\displaystyle {\bar {x}}_{\mathrm {cubic} }} ) is a specific instance of the generalized mean with p = 3 {\displaystyle p=3} . == Definition == For n {\displaystyle n} real numbers x i ∈ R {\displaystyle x_{i}\in \mathbb {R} } the cubic mean is defined as: x ¯ c u b i c = 1 n ∑ i = 1 n x i 3 3 = x 1 3 + x 2 3 + ⋯ + x n 3 n 3 .
The cubic mean (written as x ¯ c u b i c {\displaystyle {\bar {x}}_{\mathrm {cubic} }} ) is a specific instance of the generalized mean with p = 3 {\displaystyle p=3} . == Definition == For n {\displaystyle n} real numbers x i ∈ R {\displaystyle x_{i}\in \mathbb {R} } the cubic mean is defined as: x ¯ c u b i c = 1 n ∑ i = 1 n x i 3 3 = x 1 3 + x 2 3 + ⋯ + x n 3 n 3 .
Source: Wikipedia "Cubic mean" · CC BY-SA 4.0
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