If the Critical Region Begins at Z (Critical) =±2

question 18

Multiple Choice

If the critical region begins at Z (critical) =±2.56 and the test statistic is - 2.50, we________.

• A) fail to reject the null hypothesis
• B) reject the null hypothesis.
• C) cannot make a decision because the test statistic is so close to the critical region.
• D) change the alpha level.

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