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:

Erosional Features

Landforms created by the removal of soil, rock, or sediment through water, wind, ice, or other natural forces.

Radar Image

A representation of objects produced through the use of radio waves, often utilized in weather monitoring and mapping terrain.

Active Tectonics

The study of structural features within the Earth's crust and their movements, which are caused by the seismic and volcanic activity related to the movement of tectonic plates.

Volcanism

The geological process involving the eruption of molten rock, or magma, from below Earth's surface.