9.4 Hypothesis Testing: Rejection Region Method Comparing the test statistic with the rejection region In a Left Tailed Hypothesis test, the test statistic was found to be Z = - 1.35 The rejection region included values less than the critical value Zc = - 1.53 Rejection Region ZC The conclusion would be to... O Fail to reject the null hypothesis because the test statistic is in the rejection region O Accept the null hypothesis because the test statistic is NOT in the rejection region O Fail to reject the null hypothesis because the test statistic is NOT in the rejection region O Reject the null hypothesis because the test statistic is in the rejection region Reject the null hypothesis because the test statistic is NOT in the rejection region X Question Help: Read Message instructor