In particular, it measures the degree of dispersion of data around the sample's mean. Investors use variance to see how much risk an investment carries and whether it will be profitable.

Codecademy helps you learn Python with different study paths. You can learn at your own speed with Codecademy’s flexible ...

Lesson 1.py: Focuses on Object-Oriented Programming (OOP) concepts, including class/object design, encapsulation, composition over inheritance, and data organization. Lesson 2.py: Demonstrates ...