Practice Statistics - 12 | 12. Statistics | CBSE 9 Mathematics | Allrounder.ai
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12 - Statistics

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a bar graph?

💡 Hint: Think about how you can compare categories visually.

Question 2 Easy

How is a histogram different from a bar graph?

💡 Hint: Consider the type of data each graph is illustrating.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does the height of a bar in a bar graph represent?

The category
Frequency of data
Color of the bar

💡 Hint: Remember the relationship between bars and their heights.

Question 2

True or false: Histograms can have gaps between bars.

True
False

💡 Hint: Think about the nature of the data.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Construct a frequency polygon based on the provided student height data and interpret the results.

💡 Hint: Focus on the class midpoints for accurate plotting.

Challenge 2 Hard

Analyze changes in a histogram if the intervals were modified; how does this affect interpretation?

💡 Hint: Visualize the differences upon changing interval sizes.

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Reference links

Supplementary resources to enhance your learning experience.