Do Distributions Tell Us the Actual Number of Members in Each

question 57

Multiple Choice

Do distributions tell us the actual number of members in each class, or do they simply tell us the percentage of members in each class?

• A)They can either tell us the actual number or the percentage.
• B)They can only tell us the percentage, since they involve multiple categories.
• C)They can only tell us the percentage, since they are only used when actual counts aren't available.
• D)They must always tell us the actual number, since we could never know the percentage in each class without knowing the actual number first.
• E)They must always tell us the actual number, since if they only told us the percentage, they would be frequencies rather than distributions.

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Definitions:

Climate

The long-term pattern of weather in an area, typically averaged over a period of 30 years.

Dam

A structure built across a river or stream to control the flow of water.

Erosion

The process by which natural forces like water, wind, ice, and gravity wear away land surfaces, redistributing the materials.

Sediment

Particles of rock and organic material that are transported and deposited by wind, water, or ice.