Not involving any assumptions as to the form or parameters of a frequency distribution.
Example sentencesExamples
- Normality tests were performed in order to determine whether parametric or non-parametric analyses should be employed.
- Reanalysis of the data with non-linear and non-parametric methods and assumptions did not change any of the inferences drawn.
- The results were statistically evaluated using the non-parametric Mann - Whitney and Kruskal - Wallis tests.
- Parametric and non-parametric statistical tests were used.
- As the distributions of the outcome measures were frequently skewed, non-parametric statistical tests were used.