From a Population of Size 400, a Random Sample of 40

question 44

Multiple Choice

From a population of size 400, a random sample of 40 items is selected. The median of the sample

• A)must be 200, since 400 divided by 2 is 200
• B)must be 10, since 400 divided by 400 is 10
• C)must be equal to the median of population, if the sample is truly random
• D)None of these alternatives is correct.

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Definitions:

Defining Characteristic

A feature or quality that establishes the distinct nature or identity of something.

Biotic Portion

The segment of an ecosystem that consists of all living organisms, including plants, animals, and microorganisms, and their interactions.

Inclusive Components

Parts or elements designed to be accessible and usable by as wide a range of people as possible, including those with disabilities.

Primary Consumer

An organism that feeds directly on producers, such as plants or algae, occupying the second trophic level in a food chain.