Statistics are a set of mathematical techniques to analyze numerical, categorical, and ordinal data to produce information, especially for the purpose of inferring proportions in a whole from those in a representative sample.

Statistics Resources

Deeper Knowledge on Statistics

Averages: Measures of Central Tendency

Usage and calculations for mean, median, and mode on a set of numbers

Data Analysis

The transformation of data to information

Data Science

The scientific method applied to data analysis

Dispersions: Measures of Spread

Usage and calculations for range, standard deviation, and variance on a set of numbers

Standard Deviation

How to define, find, and use the standard deviation

Statistical data types

Types of data used in statistics: Numerical/quantitative, categorical/qualitative, and ordinal

Statistical Hypothesis Testing

The art and science of stimulating demand

Broader Topics Related to Statistics

Data Analysis

The transformation of data to information


Fun with numbers

Statistics Knowledge Graph