Practice Mean (Average) - 10.x.1 | 10. Variance and Standard Deviation | Mathematics - iii (Differential Calculus) - Vol 3
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Calculate the mean of the dataset: 10, 20, 30, 40, 50.

💡 Hint: Add all numbers together and divide by how many there are.

Question 2

Easy

What does the mean represent in a dataset?

💡 Hint: Think about how you find the average in daily life.

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 formula for calculating the mean of a dataset?

💡 Hint: Think of how you find the average.

Question 2

True or False: The mean is the middle value when data is sorted.

  • True
  • False

💡 Hint: Remember the definitions of mean and median.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A company has five employees with salaries of $40,000, $50,000, $60,000, $70,000, and $80,000. What is the mean salary? Discuss the implications of that mean if one employee earns $150,000.

💡 Hint: Consider how one high value affects the average in a small group.

Question 2

A student scores the following grades across 10 subjects: 90, 85, 78, 88, 92, 75, 80, 83, 100, and 70. Calculate the mean score and reflect on its representation.

💡 Hint: Analyze distribution and consider variability in performance!

Challenge and get performance evaluation