Which of the following tests must be two-tailed?
A) U test
B) one-sample sign test
C) number of runs test
D) paired-sample sign test

Name: Which of the following tests must be two-tailed? A) U test B) one-sample sign test C) number of runs test D) paired-sample sign test
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Question

Quizplus · Accepted Answer

The number of runs test inherently requires a two-tailed approach because it is designed to determine if a sequence of observations is too random or not random enough, implying deviations in either direction from the null hypothesis.

Which of the Following Tests Must Be Two-Tailed