You are interested in the effect age has on weekly earnings. You run the following 2 regressions: Regression 1: Earnings = 312.52 + 12.82*Age Regression 2: Earnings = 265.23 +6.43*Age + 4.83*Experience These results imply that age and experience are correlated and not including experience in regression 1 causes the coefficient on age to have a O positively: negative bias O notno bias negatively: negative bias negatively, positive bias O positively: positive bias