5.2.1 - How Arithmetic Mean is Calculated
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
Calculate the arithmetic mean of the following numbers: 5, 10, 15.
💡 Hint: Add the values and divide by how many there are.
What is the mean of 12, 18, 24?
💡 Hint: Double-check by summing and dividing.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the correct definition of arithmetic mean?
💡 Hint: Remember the essence of finding average is to sum and divide.
True or False: The arithmetic mean is affected by extreme values.
💡 Hint: Think about how one high or low number can change the average.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Given the data set: 22, 24, 26, 28, 30, calculate the mean. Then, if the value 30 is doubled, what is the new mean?
💡 Hint: Recalculate after altering values.
A teacher recorded grades: 12, 14, 16, 18, 20. If one student scores 30 instead of the highest grade, how does the mean change?
💡 Hint: Carefully track how max score changes the average.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.