Understanding Mean
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Beginner
Start here! Easy to understand
Beginner Explanation
The mean is the sum of all numbers divided by how many there are.
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Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is the mean of the set $\{2, 5, 5, 6, 8, 8, 9, 11\}$?
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2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
You scored 85, 90, and 88 on your math tests. What is your average score?
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
A group of friends has pocket money of $5, $10, $15, $20, and $25. What is the mean amount of pocket money?
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4
Challenge Quiz
Single Choice Quiz
Advanced
The following numbers represent daily sales (in dollars): $\{150, 200, 250, 300, 350, 400, 500\}$. What is the mean daily sales?
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Recap
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