Practice Random Sampling - 2.6.3 | 2. Collection of Data | CBSE 11 Statistics for Economics
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

Define random sampling.

πŸ’‘ Hint: Think about how a lottery works.

Question 2

Easy

What is a non-random sample?

πŸ’‘ Hint: Consider how friends might be chosen for a study.

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 the main benefit of random sampling?

  • It is inexpensive.
  • It eliminates bias.
  • It is easier to gather data.

πŸ’‘ Hint: Think about how choices can influence research results.

Question 2

True or False: Non-random sampling gives every individual an equal chance to be selected.

  • True
  • False

πŸ’‘ Hint: Consider how non-random choices are made.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You are tasked with researching the average spending of households in your city. Describe how you would use random sampling to gather your data.

πŸ’‘ Hint: Consider factors like household size and area representation.

Question 2

Discuss how sampling bias could affect the results of a public opinion poll. What measures would you take to minimize this bias?

πŸ’‘ Hint: What groups should be considered to ensure you have a balanced representation?

Challenge and get performance evaluation