When testing for randomness, we can use_____________?
Correct answer: C. Runs test
- A. Sign test
- B. None of these
- C. Runs test
- D. D Mann-Whitney U test
Explanation
The runs test examines whether the order of observations is random by comparing the observed number of runs with what randomness would produce. Sign, Mann-Whitney, and related tests assess other distributional or location questions.
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