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2 cards from this section. Quick, good the night before a test.
What are the main components of a bar graph?
Think about what each axis represents.
How do you define a histogram?
Consider the difference between categorical vs continuous data.
What type of data does a histogram represent?
Think about the difference between how we visualize categories versus ranges.
Bar graphs can be used to represent which type of data?
Consider what types of comparisons require visual aids.
You have the following data for ages of children playing in a park: Age: 1-3 (5 children), 4-6 (10 children), 7-10 (6 children). Create a histogram and a frequency polygon from this.
Make sure your intervals match and accurately reflect your population!
Analyze the following bar graph where students’ favorite fruits are: Apple – 10, Banana – 15, Orange – 5. What conclusion can you draw?
Look at heights of bars to determine popularity!
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