Statistical Thinking

What You'll Learn

🧠 '9 out of 10 dentists recommend this toothpaste. ' But how many dentists were asked? 10? 1,000? Sample size matters! Learn to question statistics. Here's how to do it: 1. Look carefully at the problem. What do you see? 2. Think about what you already know. Does this remind you of something? 3. Try an answer! It's totally okay to be wrong — that's how we learn. 4. Check: did it work? If not, try something else! You're building your thinking muscles. The more you practice, the stronger they get!

Key Concept: Understanding percentages and samples

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Think About This

🎒 You're at school and something happens that involves understanding percentages and samples. Your teacher asks the class to think about it. What do you notice? What questions pop into your head?

Thinking Steps

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👀 What Do I See?

Look at the problem about understanding percentages and samples. What do you notice?

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🤔 What Do I Know?

What do you already know that could help? Have you seen something like this before?

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💡 What's My Idea?

Think of an answer. Can you think of a second one too?

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⭐ What Did I Learn?

Check your answer. Was it right? What did you figure out? Tell someone!

Key Points

Master understanding percentages and samples

Apply evidence & research in real situations

Build habits of evidence & research

Key Vocabulary

Proof

Something that shows an idea is right

Clue

Something that helps solve a mystery

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Why This Matters in Real Life

Grown-ups use evidence research every day in their jobs. The practice you're doing now builds skills that last a lifetime!

Talk About It

Discuss these questions with a friend, parent, or classmate.

1Can you explain understanding percentages and samples to a friend using your own words?
2What was the most interesting thing you learned today?
3Draw a picture of what you learned and show it to someone!

Check Your Understanding

Question 1

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What is the main idea of understanding percentages and samples?