Mean-variance model

Pronunciation
/mean-var-ee-ance mod-el/
Category
Sampling

Definition

A model, generally a regression model, which predicts the variance of a sample from an estimate of the sample mean. Such models can characterize dispersion over a large range of population densities and are commonly used in developing sampling plans.

Etymology

Example

A mean-variance model is used to determine the optimal number of samples needed to estimate the population density of an insect species.

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