Course Content

# Learning Statistics with Python

2. Mean, Median and Mode with Python

4. Covariance vs Correlation

Learning Statistics with Python

## Population Variance

**Variance**

**Variance** measures how much the numbers deviate from the mean.

Examine the distribution of salaries in our dataset.

**Formula**

The formula varies for the sample and population. In this chapter, we will calculate **population variance**.

**Explanation**

Population variance is calculated by summing the squares of the differences between each data point and the population mean, and then dividing by the number of elements in the population.

Everything was clear?

Section 3. Chapter 1