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
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating mean?
💡 Hint: Think of how you average a set of numbers.
Question 2
Easy
Define variance in your own words.
💡 Hint: It's related to the concept of spread.
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 following dataset: 12, 15, 18?
- 13
- 15
- 16
💡 Hint: Add the numbers and divide by the count.
Question 2
True or False: Standard deviation is the square of the variance.
- True
- False
💡 Hint: Consider the relationship between variance and standard deviation.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A factory's production data shows that out of 100 gadgets, 70 are functioning, calculate the mean, variance, and standard deviation.
💡 Hint: Use the formulas for binomial distribution.
Question 2
In a normal distribution, if the mean is 100 and the standard deviation is 15, calculate the value for which 95% of the data lies below it.
💡 Hint: Use the empirical rule for normal distributions.
Challenge and get performance evaluation