Practice Exercise 14.1 - 8 | Chapter 4 : Statistics | CBSE Class 9 Maths
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

List three examples of primary data from your daily life.

πŸ’‘ Hint: Think about what information you could collect yourself.

Question 2

Easy

Give a short definition of secondary data.

πŸ’‘ Hint: This data comes from previously published sources.

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

Which of the following is an example of primary data?

  • A. A news article
  • B. A survey you conducted
  • C. Historical statistics

πŸ’‘ Hint: Think about who collected the data.

Question 2

True or False: Secondary data is more expensive to gather than primary data.

  • True
  • False

πŸ’‘ Hint: Consider the effort involved in data collection.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a survey to collect primary data about student exercise habits over a week.

πŸ’‘ Hint: Include questions that allow for both quantitative and qualitative data.

Question 2

Critique a research study that relied heavily on secondary data. What are the limitations?

πŸ’‘ Hint: Focus on the reliability of the sources they used.

Challenge and get performance evaluation