A survey was conducted to determine the satisfaction of Chrysler, GM and Ford car users and asked to rate their satisfaction levels between 1 (bad) and 1000 (excellent). The data set is presented...

It is not possible to assume that the distribution of the scores for the population matches the normal distribution. By applying the Kruskal-Wallis test, evaluate whether the median of the evaluations for these three car brands are different from each other at the level of α = 0.05 significance. Establish relevant hypotheses and interpret the results.

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Kruskal- Wallis test