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Displaying posts with the tag: median [Clear Filter]

User-friendly p-values

Posted by on February 13th, 2019

A good statistic is the one that you can understand. Mean values are understandable and everybody knows how to calculate them. Most people also realize how the mean value can be skewed by an outlier. So we know what the mean represents and we are aware of its limitations. In sharp contrast, the Null Hypothesis[…]

A better bar

Posted by on April 18th, 2018

After leaving the bar, what are we to do? I propose to move on to a better bar (and I hope that you will not be disappointed when you find out that I’m actually referring to an interval). In a previous blog I advocated the transparent presentation and reporting of data in graphs. It was[…]

Leaving the bar in five steps

Posted by on March 24th, 2017

Introduction Graphs (or charts or plots) are often used for the display and summary of data. They are essential tools for the communication of results in presentations or manuscripts. One particular type of graph, the bar graph, is often used to quantitatively compare (multiple) conditions. The earliest known example of a bar graph, dates from[…]