A Sample in Which the Sampling Units Are Chosen from the Population

question 53

Multiple Choice

A sample in which the sampling units are chosen from the population by means of a random mechanism is a:

• A) probability sample
• B) judgmental sample
• C) stratified sample
• D) systematic sample

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Definitions:

Anion

A negatively charged ion, which forms when an atom or molecule gains one or more electrons.

Chemical Elements

Substances that cannot be broken down into simpler substances by chemical means, consisting of atoms with the same number of protons.

Oxidation

The loss of one or more electrons (or hydrogen atoms) by an atom, ion, or molecule.

Sodium

A chemical element with symbol Na and atomic number 11, known for its essential role in nerve function and fluid balance in biological organisms.