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In a two-way contingency table, if the second row total is 125, the third column total is 60, and the total number of observations is 375, then the estimated expected count in cell (2, 3) is __________.
Benthic Zone
The ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and sub-surface layers.
Lake
Body of fresh water, often classified by nutrient status, such as oligotrophic (nutrient-poor) or eutrophic (nutrient-rich).
Stream
A small, natural body of flowing fresh water, leading from one to another or into a larger body of water.
Worldwide Distribution
The global spread or availability of a product, service, or phenomenon across the world.
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