An Unbiased Estimator Is a Statistic That Targets the Value

question 56

Multiple Choice

An unbiased estimator is a statistic that targets the value of the of the population parameter such that the sampling distribution of the statistic has a __________equal to the _________ of the corresponding parameter.

• A) mean; mean
• B) standard deviation; standard deviation
• C) mean; standard deviation
• D) range; range/4

---

Definitions:

Signal-detection Threshold

The sensory level at which a stimulus is detected 50% of the time, highlighting the ability to identify under conditions of uncertainty.

Psychophysics

The scientific study of the relationship between stimuli and the sensations and perceptions they produce.

Vision Scientist

A researcher who studies the physiology of vision, visual processing, and perception.

Signal-detection

a psychological theory that aims to quantify the ability to discern between information-bearing patterns and random patterns that distract from the information.