Probability Samples Are Based On

question 47

Multiple Choice

Probability samples are based on:

• A) the accuracy of the samples.
• B) chance selection procedures.
• C) the reference given by members of a research group.
• D) the funds allocated for the research and investigation.
• E) the popularity of a sample.

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Definitions:

Ductus Venosus

A fetal blood vessel that diverts some blood flow away from the liver and directly into the inferior vena cava.

Fetal Liver

An organ in the fetus that plays a crucial role in blood cell production before birth.

Inferior Vena Cava

A large vein that carries deoxygenated blood from the lower half of the body back to the right atrium of the heart.

Umbilical Artery

The umbilical artery carries deoxygenated blood from the fetus to the placenta during pregnancy.