Suppose That X and Y Are Uncorrelated

question 72

Multiple Choice

Suppose that X and Y are uncorrelated. X has a mean of 15 and Y has a mean of 19. Given a score of 14 on a particular X observation, the best prediction of Y is

• A) 0.
• B) 15.
• C) 19.
• D) indeterminate.

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Definitions:

Camera Eye

An eye type that possesses a lens for focusing light on the retina, similar to the operational principle of a camera, found in humans and other animals.

Regulatory Mutations

Genetic mutations that affect the regulation of gene expression, potentially leading to changes in the timing, location, and amount of gene product being produced.

Adaptation

The process by which an organism becomes better suited to its environment, often through changes in its traits.