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 mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the mean of these numbers: 4, 6, 8.
💡 Hint: Add the numbers and divide by how many there are.
Question 2
Easy
Find the mean of 10, 20, 30, 40.
💡 Hint: What do you get when you add them all up?
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 mean of the numbers 2, 4, 6, 8?
- 4
- 6
- 8
💡 Hint: Find the total and divide by the count.
Question 2
True or False: The mean is always the best measure of central tendency.
- True
- False
💡 Hint: Think about the role of outliers.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the mean of the following numbers: 10, 20, 30, 40, 100. Discuss how the outlier affects the result.
💡 Hint: Look at the difference made by the highest number.
Question 2
In a company, employees' salaries are 30000, 32000, 31000, and one employee earns 100000. Calculate the mean salary and discuss its implications.
💡 Hint: Consider how the mean may not appropriately reflect employees' salaries.
Challenge and get performance evaluation