Deciding on the Number of Observations to Include in a Sample

question 121

Essay

Deciding on the number of observations to include in a sample is an important decision when planning a research study. What information is required to make this decision?

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Definitions:

Microorganisms

Tiny, often microscopic, life forms, including bacteria, viruses, fungi, and some algae and protozoa, that can be found in virtually all environments.

Protozoans

Single-celled eukaryotic organisms, often parasitic or free-living in water or moist environments, capable of movement and feeding on organic substances.

Haemophilus Influenzae

A type of bacteria that can cause various infections, especially in children, ranging from mild ear infections to serious conditions like meningitis.

Epiglottitis

A potentially life-threatening condition characterized by inflammation of the epiglottis, which can block airflow to the lungs.