# Statistics

**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

### Math

Fun with numbers