Review of Basic Statistics


Successful completion of a formal course in biostatistics or statistics is a prerequisite for this class, but review of the following online learning modules may be very beneficial.

Please take the time to review basic biostatistics concepts and see the instructor if you have not fulfilled this prerequisite.

Below are a few examples of descriptive statistics. These will be covered in more depth throughout the rest of the course.

Descriptive Statistics – Single Variable


Continuous Variables

Measures of Central Tendency

Measures of Dispersion

Graphs

Categorical Variables

Descriptives

Graphs

Continuous and Categorical 

Two Continuous Variables 

Two Categorical Variables 

Note, in addition to categorical and continuous variables, there are identifier variables such as ID or Name. Usually, descriptive statistics should not be calculated for identifier variables.