If the Coefficient of Correlation Is −0

question 152

Multiple Choice

If the coefficient of correlation is −0.50, the percentage of the variation in the dependent variable y that is explained by the variation in the independent variable x is:

• A)− 50%.
• B)25%.
• C)50%.
• D)− 25%.

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Definitions:

Unconstitutional

describes actions, laws, or policies that violate the constitution or are not permissible under the constitution's framework.

Separate-but-equal Doctrine

A legal principle that justified racial segregation, claiming that separate facilities for blacks and whites were constitutional if they were equal in quality; declared unconstitutional by Brown v. Board of Education (1954).

Equal Protection Clause

A provision in the Fourteenth Amendment to the U.S. Constitution prohibiting states from denying any person within its jurisdiction the equal protection of the laws.

Emancipation Proclamation

An executive order issued by President Abraham Lincoln in 1863 that declared the freedom of all slaves in Confederate-held territory during the American Civil War.