In a Disproportionate Stratified Sample

question 31

Multiple Choice

In a disproportionate stratified sample,

• A) a different proportion of cases is drawn from each stratum.
• B) the proportion of cases in each stratum of the sample differs from the proportion of cases in each stratum of the population.
• C) a different number of cases is drawn from each stratum.

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Definitions:

Realized Niche

The actual conditions and resources in which a species exists due to biotic and abiotic constraints, as opposed to its potential range.

Limiting Resource

A resource in short supply that restricts the growth, abundance, or distribution of an organism or a population.

Competition

A biological interaction where organisms vie for the same resources, such as food, space, or mates, in an ecosystem, influencing the structure and diversity of communities.

Ecological Niche

The role and position a species has in its environment, including all of its interactions with the biotic and abiotic factors.