Exhibit 15-9

question 51

Multiple Choice

Exhibit 15-9.An economist estimates the following model: .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 .A portion of the regression results is shown in the accompanying table. Refer to Exhibit 15-9.According to the modified model,what is a 95% confidence interval for when x equals 2? (Note that . )

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

---

Definitions:

Republican Party

A major political party in the United States, also known as the GOP (Grand Old Party), traditionally advocating for conservatism and fiscal policies.

Congressional Reconstruction

The period from 1867 to 1877 during which the U.S. Congress controlled the Reconstruction of the Southern States following the American Civil War, emphasizing civil rights and voting rights for freedmen.

Ex-Confederate States

The states that seceded from the Union and formed the Confederacy during the American Civil War, working to reintegrate into the United States post-war.