The Accompanying Table Shows the Regression Results When Estimating Y

question 30

Multiple Choice

The accompanying table shows the regression results when estimating y = β₀ + β₁x₁ + β₂x₂ + β₃x₃ + ε. When testing whether or not x₁ and x₂ are jointly significant, the null hypothesis is ________.

• A) H₀: β₁ = β₂
• B) H₀: β₁ ≠ β₂
• C) H₀: β₁ + β₂ = 0
• D) H₀: β₁ = β₂ = 0

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