Understanding Histograms
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Beginner
Start here! Easy to understand
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Beginner Explanation
Histograms use bars to show data frequencies across equal intervals.
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is the main purpose of a histogram?
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2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
A group of friends recorded the time they spent on social media each day: [15, 30, 45, 60, 20, 35, 50] minutes. Create a histogram to represent their daily usage.
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
Given a histogram with the following interval-frequency table: 0–10: 5, 10–20: 8, 20–30: ?, 30–40: 7, and knowing the total data count is 30, deduce the missing frequency.
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4
Challenge Quiz
Single Choice Quiz
Advanced
What does the height of each bar in a histogram represent?
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Recap
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Review key concepts and takeaways