Stratifying a Population Prior to Drawing a Sample

question 13

Multiple Choice

Stratifying a population prior to drawing a sample:

• A)decreases the probable sampling error.
• B)eliminates the need for simple random sampling.
• C)is most useful for studying a homogeneous population.
• D)eliminates the need for probability sampling.
• E)is an alternative to systematic sampling.

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Definitions:

ATP

Adenosine triphosphate, a universal energy carrier molecule used by cells to store and transfer energy.

Oxidative Phosphorylation

A process occurring in mitochondria that uses oxygen and high-energy electrons to produce ATP and water.

Krebs Cycle

A series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats, and proteins into carbon dioxide and water.

Oxygen

A chemical element with symbol O and atomic number 8, essential for respiration in animals and plants and a component of the Earth's atmosphere.