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

September 8th 2024

afferent nerve fiber

a nerve fiber, typically a sensory fiber, that conducts impulses toward the brain or spinal cord or from a lower to a higher center of the central nervous system. Compare efferent nerve fiber.