Consider a Regression with Two Variables,in Which X1i Is the Variable

question 59

Multiple Choice

Consider a regression with two variables,in which X1i is the variable of interest and X2i is the control variable.Conditional mean independence requires

• A)E(ui|X1i,X2i)= E(ui|X2i)
• B)E(ui|X1i,X2i)= E(ui|X1i)
• C)E(ui|X1i)= E(ui|X2i)
• D)E(ui)= E(ui|X2i)