An Economist Estimates the Following Model:y = β₀ + β₁x

question 69

Multiple Choice

An economist estimates the following model:y = β₀ + β₁x + ε.She would like to construct interval estimates for y when x equals 2.She estimates a modified model where y is the response variable and the explanatory variable is now defined as x⁺ = x - 2.A portion of the regression results is shown in the accompanying table. According to the modified model,which of the following is a 95% confidence interval for E(y) when x equals 2? (Note that t_0,025,10 = 2.228. )

• A) [0.41,4.63]
• B) [14.21,35.35]
• C) [18.63,30.93]
• D) [20.35,25.65]

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