The t Test(cont) o Knowing the sampling distribution for the standardized estimator allows us to carry out hypothesis tests Start with a null hypothesis ◆ For example,H:B=0 o If accept null, then accept that x has no effect on y, controlling for other xs Economics 20- Prof anderson 7Economics 20 - Prof. Anderson 7 The t Test (cont) Knowing the sampling distribution for the standardized estimator allows us to carry out hypothesis tests Start with a null hypothesis For example, H0 : bj=0 If accept null, then accept that xj has no effect on y, controlling for other x’s