Practice Example 2 - 12.1.A.2 | 12. Statistics | CBSE 9 Mathematics
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Example 2

12.1.A.2 - Example 2

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are the main components of a bar graph?

💡 Hint: Think about what each axis represents.

Question 2 Easy

How do you define a histogram?

💡 Hint: Consider the difference between categorical vs continuous data.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What type of data does a histogram represent?

Categorical
Discrete
Continuous

💡 Hint: Think about the difference between how we visualize categories versus ranges.

Question 2

Bar graphs can be used to represent which type of data?

True
False

💡 Hint: Consider what types of comparisons require visual aids.

Get performance evaluation

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

💡 Hint: Make sure your intervals match and accurately reflect your population!

Challenge 2 Hard

Analyze the following bar graph where students’ favorite fruits are: Apple – 10, Banana – 15, Orange – 5. What conclusion can you draw?

💡 Hint: Look at heights of bars to determine popularity!

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.