Sampling Error Can Be Avoided

question 13

Multiple Choice

Sampling error can be avoided:

• A)by using an unbiased estimator.
• B)by eliminating nonresponses (e.g., older people).
• C)by no method under the statistician's control.
• D)either by using an unbiased estimator or by eliminating nonresponse.

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Definitions:

Retina

A thin layer of tissue at the back of the eye that contains cells sensitive to light, which convert light into neural signals for visual recognition.

Visual Receptors

Cells in the eye, specifically rods and cones, that respond to light and enable vision.

Sclera

The white outer layer of the eyeball that, along with other structures, protects the eye and helps maintain its shape.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing to the eye's focusing power.