For a lower-tail test, the p-value in the output from an Excel tool:
A) is correct if the test-statistic is negative.
B) is the difference from 1.0 if the test-statistic is negative.
C) is correct if the test-statistic is zero.
D) is correct if the test-statistic is positive.

Question

Quizplus · Accepted Answer

For a lower-tail test, the p-value is directly interpreted from the output when the test statistic is negative, as it indicates the probability of observing a test statistic as extreme as, or more extreme than, the observed value under the null hypothesis.

For a Lower-Tail Test, the P-Value in the Output from an Excel