In the Regression Equation Y = 1959

question 86

Multiple Choice

In the regression equation y = 1959.71 − 0.46 x₁ + 2.16 x₂,suppose that the you are considering the point (x₁,x₂) = (1.5,0.5) ,and furthermore,suppose that the variable x₁ increases by a factor of 2 (i.e.,it doubles) .What must be the change in the variable x₂ so that y remains unchanged?

• A) 2.16
• B) −2.16
• C) 0.319
• D) −0.319
• E) 0.638

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Definitions:

Nominal Consideration

A token amount shown in a contract to indicate that a contract exists, often used to satisfy the legal requirement for a contract to be binding but not intended as a true economic value exchange.

New Car

Refers to a vehicle that has not been previously registered and comes directly from a dealership or manufacturer.

Brother

A male sibling or a man or boy in relation to other sons and daughters of his parents.

Past Consideration

A term in contract law meaning that an act done before a contract is made is not good consideration for the contract.