What Is the Difference Between a "Sample" and a "Random

question 18

Essay

What is the difference between a "sample" and a "random sample"?

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Definitions:

River Terraces

Step-like landforms along the sides of valleys and rivers, formed by the erosion of soil and rock and the deposition of sediments.

Alluvial Fans

Fan or cone-shaped deposits of sediment crossed and built up by streams, typically found at the outlet of canyons.

Entrenched Meanders

River meanders that have cut deeply into the landscape, often in a canyon form, showing a history of flowing through a relatively stable channel for an extended period.

Distributaries

Branches of a river that flow away from its main course, typically seen in delta regions where the river splits into several smaller channels near its mouth.