The t Test(cont) To perform our test,we first need to form he1 statistic for月：Ta=e(a厂 We will then use our t statistic along with a rejection rule to determine whether to accept the null hypothesis,Ho Econometrics 15-Zhuxi@SJTU 12Econometrics 15 - Zhuxi@SJTU 12 The t Test (cont)   j ˆ 0 To perform our test, we first need to form ˆ ˆ the statistic for : . ˆ We will then use our statistic along with a rejection rule to determine whether to accept the null hypothesis, H j j j t T se t b b b b 