Suppose the test statistic obtained from a one-sample hypothesis test is 3.88, and the critical region begins at Z (critical) = ±1.96. Which of the following would be the correct conclusion?
A) fail to reject the null hypothesis
B) reject the null hypothesis
C) change the critical value to exceed the observed test statistic
D) redo the calculation because the observed test statistic is implausible

Question

Quizplus · Accepted Answer

The test statistic of 3.88 falls outside the critical region defined by ±1.96, indicating that the null hypothesis should be rejected.

Suppose the Test Statistic Obtained from a One-Sample Hypothesis Test