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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the arithmetic mean of the following values: 5, 10, 15?
💡 Hint: Sum all the values and divide by the count.
Question 2
Easy
Given observations are 12, 15, 20, calculate the mean.
💡 Hint: Add the numbers and divide by how many there are.
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 arithmetic mean?
- A = sum of values / count
- A = mode + median
- A = sum of deviations
💡 Hint: Think about how averages are typically found!
Question 2
True or False: The arithmetic mean can be significantly affected by extreme values.
- True
- False
💡 Hint: Consider examples where large numbers skew averages.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Suppose the scores from a completed math test are: 78, 85, 91, 76, and 88. If a new score of 95 is added, how does it affect the mean?
💡 Hint: How do you think a higher score affects the average?
Question 2
You have the incomes of several households ranging from 2000 to 5000. One household earns 15000. Discuss the potential impact of this outlier on the arithmetic mean.
💡 Hint: Consider why extreme values skew average results.
Challenge and get performance evaluation