For Each of the Following Statements, Indicate Whether the Statistical

question 11

Multiple Choice

For each of the following statements, indicate whether the statistical association is likely due
-A cohort study found no statistical association between smoking and coronary heart
Disease (RR = 1, p-value = 0.75) .

• A) chance
• B) bias
• C) confounding.

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Definitions:

Drinking Water

Water that is safe for humans to ingest.

Contaminants

Substances that pollute or make something impure, often found in water, air, or soil, and can be harmful to human health and the environment.

Eutrophication

The process by which a body of water becomes enriched in dissolved nutrients, leading to plant growth that depletes oxygen, adversely affecting animal life.

Nutrients

Essential chemical compounds that organisms need to live, grow, and reproduce, commonly found in food.