In a right-tailed test, the null hypothesis is rejected when the value of the test statistic exceeds the critical value.

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In a right-tailed test, the alternative hypothesis is that the population parameter is greater than a certain value. Therefore, if the test statistic is larger than the critical value, it provides evidence in favor of the alternative hypothesis, leading to the rejection of the null hypothesis.

In a Right-Tailed Test, the Null Hypothesis Is Rejected When