An Estimator of the Population Value Is Unbiased

question 7

Multiple Choice

An estimator of the population value is unbiased if

• A) = .
• B) has the smallest variance of all estimators.
• C) .
• D)E( )= .

---

Definitions:

Lens

A transparent, flexible structure in the eye that focuses light onto the retina, allowing for clear vision.

Pupil

the circular opening in the center of the eye’s iris that regulates the amount of light reaching the retina.

Fovea

The fovea is a small depression in the retina where visual acuity is highest, responsible for sharp central vision, crucial for activities like reading and driving.

Amacrine Cell

A type of interneuron in the retina that plays a critical role in the visual signal processing by transferring information from bipolar cells to ganglion cells.