Research Methodology · Parametric and Non-Parametric Tests
Which of the following statements regarding non-parametric tests in statistics are correct? Statement I: Non-parametric tests are useful when data do not follow a normal distribution or when sample sizes are very small. Statement II: T-tests and Z-tests are typical examples of non-parametric tests. Statement III: A non-parametric test is typically used if the variables of interest are measured on nominal or ordinal scales (non-metric).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I, II, and III
- 2I and III only✓
- 3II and III only
- 4I and II only
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I and III only
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