An Estimator of β Is Said to Be Linear If

question 24

Multiple Choice

An estimator of β is said to be linear if

• A)it can be estimated by least squares.
• B)it is a linear function of Y₁,…, Y_n .
• C)there are homoskedasticity-only errors.
• D)it is a linear function of X₁,…, X_n .

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Definitions:

Afferent Neurons

Nerve cells that carry sensory information from the body's tissues and organs to the brain or spinal cord.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and transmitting information throughout the body.

Myelin Sheath

A protective layer of fatty substance that surrounds the axons of many neurons, enhancing the speed of electrical impulses along the neuron.

Neuron

A neuron, which serves as the foundational unit of the nervous system, crucial for conveying information all over the body.