Suppose you are interested in estimating how class size affects learning and performance, you estimate Test Score = a + Bị Class Size + B2 S AT + B3 H Sperc + u . Suppose that accidentally you include...

Extracted text: Suppose you are interested in estimating how class size affects learning and performance, you estimate Test Score = a + Bị Class Size + B2 S AT + B3 H Sperc + u . Suppose that accidentally you include in your regression, students' ID number which are irrelevant. Which of the following is true ? Adjusted R2 will increase R? will decrease All coefficient estimates will be biased All coefficient estimates will be unbiased