# Statistics

**Statistics** are a set of mathematical techniques to analyze numerical 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

### Arithmetic Mean

How to calculate the arithmetic mean of a number collection

### Data Analysis

The transformation of data to information

### Data Science

The scientific method applied to data analysis

### Interquartile Range (IQR)

How to find the interquartile range (IQR) of a number collection

### Median

How to calculate the median of a collection of numbers

### Standard Deviation

How to define, find, and use the standard deviation

### 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