QUESTION ? There grilled variable tian wher variable Fin correlated with the independent vart on dependent vistable and he mining variat be h mart QUESTION S 1 points if there is omitted variable bias, Ine OLS assmaine 0 1 biased On unbrand O'has an expected value equal to the population panmeter QUESTION 9 1 points The adjust R-aquare when you add one more regrinsor in the regression model O must incrime 0 must decrease may increase or docmase