Examlex
Global satisfaction can be assessed by summing individual facet scores.
Kruskal-Wallis
A non-parametric test used to compare three or more independent samples to determine if they come from the same distribution.
Chi-Squared Distribution
A statistical distribution that is used to describe the distribution of a sum of the squares of k independent standard normal random variables.
Degrees of Freedom
In statistical analysis, the number of independent values or quantities that can vary in the calculation of a statistic, used in assessing the significance of the statistic.
Friedman Test
A non-parametric statistical method for identifying treatment differences across several trials.
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