Carly Drew a Sample by First Identifying a Comprehensive Set

question 49

Multiple Choice

Carly drew a sample by first identifying a comprehensive set of subgroups based on one or more variables, and then individuals were randomly selected from each of those subgroups. Carly used the technique known as:

• A) Stratified random sampling
• B) Cluster sampling
• C) Simple random sampling
• D) Convenience sampling

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Definitions:

Wavelength

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Electromagnetic Radiation

Energy that travels through space in the form of waves, including radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Vibrational Motions

The movement of atoms within a molecule that involves the stretching and bending of chemical bonds.

Absorption

The process by which one substance, such as a solid or liquid, takes up another substance, such as a gas or liquid, through atomic or molecular interactions.