72. Mean, median and mode.

Lecture Resource: Exercise: Exercise Solution: This lesson we'll introduce you to the three measures of central tendency. Don't be scared by the terminology we are talking about mean median and mode even if you are familiar with these terms. Please stick around as we will explore their upsides and shortfalls. Ready let's go. The first measure we will study is the mean. Also known as the simple average. It is denoted by the Greek letter M U. For a population an X bar for a sampl