Course Content

# Learning Statistics with Python

2. Mean, Median and Mode with Python

3. Variance and Standard Deviation

4. Covariance vs Correlation

Learning Statistics with Python

## Sample vs Population

Understanding statistics will expand your horizons and allow you to recognize statistical patterns and work with data. Let's begin with the fundamental definitions: **sample** and **population**.

**Sample**

A sample is an unbiased subset of the population that captures the characteristics of the population.

**Population**

The population is a set of identical items in our study of interest.

**Sample vs Population: Example**

Population | Sample | |

Example: | All the students in the class | Top 5 students in the class |

Example: | All students graduated from university | 100 random students graduated from university |

Select an example of a sample:

Select the correct answer

Everything was clear?

Section 1. Chapter 1