In previous diaries we’ve looked at some descriptive statistics, and some ways to evaluate…
About 100 years ago, Ronald Fisher introduced statistical hypothesis testing. Fisher knew what he…
In this article we looked at measures of central tendency. Today, we will look at measures of…
There are various ways to classify variables. One useful way is to distinguish…
For about a century, people have been using p values. Usually incorrectly. For almost a century, but…
The scatter plot is ubiquitous, and deservedly so. But a simple scatter plot:
Should you do hypothesis tests? That may seem like a silly question, especially if you are…
