Assuming the data meets the assumptions of parametric tests, non-parametric tests compared to their parametric counterparts ____________.

A researcher measured leadership skills in doctors, police officers and accountants. The data were skewed. What is the most appropriate test to analyse the data?

The results of the test used to analyze the data described in question 2 showed a significant result. How should the researcher carry out post-hoc tests?

An advantage of non parametric statistics is that ____________.

Which of the following tests is analogous to a standard within-subjects ANOVA?

Tied scores (when two or more scores have the same value) may present a problem in non-parametric tests. The way to deal with them in a Kruskal-Wallis test is to

A data-set contains the following values: 23, 28, 37, 23, 45, 49, 37, 62. Rank the values. Which rank is associated with value 37?

Researchers wanted to examine whether the 'sea-food' diet was effective. A group of volunteers were placed on the diet and their weight (in kilograms) was measured at the beginning of the diet, after 1 month, after 2 months, then at the end of the diet after 3 months. The data were not normally distributed. Which test would be appropriate to analyse the data?

In a Kruskal-Wallis test, the ____________ the value of H, the more likely you are to reject the null hypothesis