DEMO 3: Let's look at how we can use a loop in our program add all the numbers in a list.

Remember that the first step in your algorithm for finding the mean is to add up all the numbers in your data set.

• Adding a list of numbers can also be broken down into an algorithm, or series of steps that solve a problem.
• Click Run to see a short demo that explain how your loop will work.

To navigate the page using the TAB key, first press ESC to exit the code editor.