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. ![An economist estimates the following model:y = β<sub>0</sub> + β<sub>1</sub>x + 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<sup>+</sup> = 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<sub>0,025,10</sub> = 2.228. ) A) [0.41,4.63] B) [14.21,35.35] C) [18.63,30.93] D) [20.35,25.65]](https://d2lvgg3v3hfg70.cloudfront.net/TB4266/11eab0ce_30a9_b032_a083_dd6a5a1f3057_TB4266_00.jpg)
![An economist estimates the following model:y = β<sub>0</sub> + β<sub>1</sub>x + 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<sup>+</sup> = 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<sub>0,025,10</sub> = 2.228. ) A) [0.41,4.63] B) [14.21,35.35] C) [18.63,30.93] D) [20.35,25.65]](https://d2lvgg3v3hfg70.cloudfront.net/TB4266/11eab0ce_30a9_b033_a083_3fdfdcb3e024_TB4266_00.jpg)
According to the modified model,which of the following is a 95% confidence interval for E(y) when x equals 2? (Note that t0,025,10 = 2.228. )
A) [0.41,4.63]
B) [14.21,35.35]
C) [18.63,30.93]
D) [20.35,25.65]
Correct Answer:
Verified
Correct Answer:
Verified
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