Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define random sampling.
💡 Hint: Think about how a lottery works.
Question 2
Easy
What is a non-random sample?
💡 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.
💡 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
💡 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.
💡 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?
💡 Hint: What groups should be considered to ensure you have a balanced representation?
Challenge and get performance evaluation