For a Certain Data Set the Regression Equation Is ŷ

question 65

Multiple Choice

For a certain data set the regression equation is ŷ = 29 - 5x.The correlation coefficient between y and x in this data set _______.

• A)must be 0
• B)is negative
• C)must be 1
• D)is positive
• E)must be >1

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Definitions:

Equivalent

Having the same value, function, or meaning, often in reference to algebraic expressions or equations that are different in form but equal in value.

Equations

Mathematical statements that assert the equality of two expressions.

Equation

A statement in mathematics that claims two expressions are equal.

Solve

To find a solution or answer to a problem, especially a mathematical problem or equation.