If the Coefficient of Determination Between X and Y Is

question 45

Multiple Choice

If the coefficient of determination between X and Y is 0.85,approximately what percentage of the variance in Y can be explained by X?

• A)52%
• B)72%
• C)85%
• D)92%

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Definitions:

Cone of Depression

A reduction in the water table around a well after water has been pumped out, creating a conical shape.

Overpumping

The extraction of groundwater at a rate faster than it can be replenished, leading to a depletion of water resources.

Polluted Well

A well where water is contaminated with harmful chemicals, biological agents, or other pollutants, making it unsafe for consumption.

Groundwater Contaminates

Substances that pollute or degrade the quality of groundwater, including chemicals, waste products, or pathogens.