Articles on statistics

Arithmetics mathematical distributions mathematics

When to Use Mean, Median, or Mode

The mean*, mode and median are the most well-known and widely used arithmetic averages. But what exactly are each used for? While all of them are measures of central tendency in a distribution of values - obtained from different kinds of measurements or observations - the question of when to use mean, median or mode… Read More »

Posted in Mathematics | Also tagged , , , , | By Georgi Georgiev Comments closed
P-value and significance level explained

The p value – definition and interpretation of p-values in statistics

This article examines the most common statistic reported in scientific papers and used in applied statistical analyses - the p-value. The article goes through the definition illustrated with examples, discusses its utility, interpretation, and common misinterpretations of observed statistical significance and significance levels. It is structured as follows: p-value definition and meaningWhat does 'p' in… Read More »

Posted in Science | Also tagged , , , , , , , | By Georgi Georgiev Comments closed