A.3. Statistics and machine learning

A.3.1. Statistics terms

Explain the terms mean, median, and mode to an eight-year old.

Allan Butler

Example answer

Mean, median, and mode are three different types of averages. Averages let us understand something about a whole set of numbers with just one number that summarizes something about the whole set.

Suppose that we did a poll of your class to see how many siblings each person has. You have five people in your class, and let’s say you find that one person has no siblings, one has one, one has two, and two have five.

The mode is the most common number of siblings. In this case, that’s 5, as two people have five siblings compared with only one person who has every other number.

To get the mean, ...

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