## About Quiz

You will have to solve 20 questions in this quiz. You can skip any question that you don't know. There is no time limit. You need to score 80% to have access for the next quiz in this chapter.

Good Luck

## Summary of the Topic

**What is an Average (Arithmetic Mean)?**

The average of a set of \(n\) numbers is the sum of all the numbers divided by \(n\).

**What is Median?**

The median of a list of numbers is the number that is exactly in the middle of the list when the list is arranged from smallest to greatest of from greatest to smallest.

**What is a Mode?**

The mode of a group of numbers is the number in the list that appears most often.