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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the arithmetic mean of the following numbers: 5, 10, 15.
💡 Hint: Add the values and divide by how many there are.
Question 2
Easy
What is the mean of 12, 18, 24?
💡 Hint: Double-check by summing and dividing.
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 correct definition of arithmetic mean?
- A. Sum of values divided by their count.
- B. Largest value in a dataset.
- C. Smallest value in a dataset.
💡 Hint: Remember the essence of finding average is to sum and divide.
Question 2
True or False: The arithmetic mean is affected by extreme values.
- True
- False
💡 Hint: Think about how one high or low number can change the average.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation