estimator

n. a quantity calculated from the values in a sample according to some rule and used to give an approximation of the value in a population. For example, the sample mean or average is an estimator for the population mean; the value of the sample mean is the estimate.

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Psychology term of the day

July 27th 2024

defensible space

a set of principles and guidelines for the design and planning of settings to reduce crime. Among the critical elements of defensible space are the creation of shared territories in which people have collective control, good surveillance, and markers and other symbols of ownership and primary territory. See territoriality.