Suppose That You Believe That a Cubic Relationship Exists Between

question 26

Multiple Choice

Suppose that you believe that a cubic relationship exists between the independent variable (of time) and the dependent variable Y.Which of the following would represent a valid linear regression model?

• A)Y = b₀ + b₁ X,where X = time³
• B)Y = b₀ + b₁ X³,where X = time
• C)Y = b₀ + 3b₁ X,where X = time³
• D)Y = b₀ + 3b₁ X,where X = time
• E)Y = b₀ + b₁ X,where X = time^1/3

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