Practice Summary - 12.2 | 12. Statistics | CBSE 9 Mathematics | Allrounder.ai
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Draw a bar graph to represent the following data: \n January: 10, February: 20, March: 15.

💡 Hint: Remember to label your axes!

Question 2

Easy

What is a histogram?

💡 Hint: Think about the differences between bar graphs and histograms.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is a bar graph used for?

  • Categorical data
  • Continuous data
  • Both

💡 Hint: Remember the types of data each graph represents.

Question 2

True or False: A histogram can have gaps between the bars.

  • True
  • False

💡 Hint: Think about how continuous data is represented.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Using the data provided: 0-10: 5, 10-20: 10, 20-30: 20, create a frequency polygon correctly representing it.

💡 Hint: Ensure the midpoints of the intervals are accurate.

Question 2

Analyze this histogram and describe how a misrepresentation might lead you to conclude the most populous age group is incorrectly depicted.

💡 Hint: Think about scaling and perceived size.

Challenge and get performance evaluation