A Statistic That Measures How Two Variables Tend to Move

question 39

Multiple Choice

A statistic that measures how two variables tend to move together is the

• A) Coefficient of variation
• B) Correlation coefficient
• C) Standard deviation
• D) Mean
• E) Variance

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Definitions:

Systemic Insecticides

Chemicals that are absorbed by a plant and provide protection from pests by poisoning them when they feed on the plant.

Malathion

A chemical compound used as an insecticide, particularly effective against mosquitoes but also posing potential risks to human health and the environment.

Chlorinated Hydrocarbons

A group of chemical compounds that contain chlorine, carbon, and hydrogen, used in industrial applications but known for their environmental persistence and potential toxicity.

Aldrin

A highly toxic substance once used as an insecticide and rodenticide, now banned or restricted in many countries due to its environmental impact.