If the Coefficient of Correlation Between Two Variables Is -0

question 48

Multiple Choice

If the coefficient of correlation between two variables is -0.6, the coefficient of determination will be:

• A) -0.6.
• B) 0.4.
• C) 0.36.
• D) -0.36.
• E) 0.6.

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Definitions:

Control Group

A group in an experiment or study that does not receive treatment, used as a benchmark to measure the effects of the treatment.

Natural Experiments

Observational studies where the conditions are naturally occurring rather than being controlled or manipulated by the researcher, used to infer causality.

Random Experiments

Procedures or trials that yield different outcomes, each with a specific probability, even when repeated under the same conditions.

Vaccinated People

Individuals who have received vaccinations, which are medical treatments that provide immunity against one or several diseases.