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 population in your own words.
💡 Hint: Think about the entire class vs just a few students.
Question 2
Easy
What is a sample?
💡 Hint: Think of a recipe: you can taste a little to judge the whole dish.
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 defines a population in statistics?
- A subgroup of interest
- All elements under study
- Data collected from surveys
💡 Hint: Look for the term that means totality.
Question 2
True or False: Sample surveys always yield better results than Censuses.
- True
- False
💡 Hint: Consider the accuracy and completeness of data.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are conducting a survey on student stress levels. Describe how you would choose a random sample from your school of 500 students.
💡 Hint: Think about fairness and equal opportunity for each student.
Question 2
A researcher collected data only from volunteers for a health study. Discuss potential sampling errors that may have occurred.
💡 Hint: Consider how willingness to participate influences the data collected.
Challenge and get performance evaluation