C# LINQ — “Average”

LINQ (Language-Integrated Query) is a set of integrated C# capabilities which allow queries against data.

Today’s Objective: Learn and use LINQ’s Average method to get the average of a collection of numerical values.

The LINQ Average Method:

The Average method is a very simple and quick way to find the average value from a collection of numerical values, such as a simple list of numbers, or the average level of items from a list of items.

Microsoft Documentation

An Example:

Without using LINQ, to get the average of a set of numbers, you would likely do something like this:

But using LINQ, you can simply do:

So simple!

You can also get the average from a custom collection which is not numerical, but contains numerical variables, such as: