Evidence Based Medicine pills
Evidence Based Medicine pills
Graphical representation of qualitative variables. Two of the most used graphs for qualitative variables are described: the pie chart and the bar chart. Pareto’s graph is also mentioned. When you read the title of this post, you can ask yourself with what…
Measures of dispersion with qualitative variables Measures of dispersion of qualitative variables are described: Blau’s index, qualitative variation index, Teachman’s index and ratio of variation. I don’t like the end of summer. The days with bad weather begin, I wake up completely…
Comparisson of variables. We describe the statistical tests that should be used for comparisson of variables of different kinds.