Question:
Which of the following is/are distribution-free test(s)?
Which of the following is/are distribution-free test(s)?
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Non-parametric tests are useful when data does not meet assumptions like normality or equal variances.
Updated On: Jan 24, 2025
- Pearson correlation
- Spearman's rho
- Kruskal-Wallis H test
- Analysis of variance
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The Correct Option is B, C
Solution and Explanation
Distribution-free tests, also known as non-parametric tests, do not assume a specific data distribution.
- Pearson correlation assumes normality and is not distribution-free.
- Spearman's rho is a non-parametric measure of rank correlation, making it distribution-free.
- Kruskal-Wallis H test is a non-parametric equivalent of ANOVA, hence distribution-free.
- Analysis of variance (ANOVA) assumes normality and equal variances, so it's not distribution-free.
Thus, the correct answer is (B, C).
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