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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the mean of the dataset {2, 3, 4, 5}.
💡 Hint: Add all values and divide by the number of values.
Question 2
Easy
What happens to the mean if we add an outlier such as 20 to the dataset {1, 2, 3, 4, 5}?
💡 Hint: Think about how much the added number is affecting the average.
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 values {4, 8, 12, 16}?
- 8
- 10
- 12
- 6
💡 Hint: Sum all values and then divide by 4.
Question 2
True or False: An outlier can dramatically affect the mean of a dataset.
- True
- False
💡 Hint: Think of a case where one number is much larger or smaller than the rest.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the mean of the following dataset: {15, 20, 35, 40, 55, 60, 100}. Discuss how the outlier affects your result.
💡 Hint: Look at how the average changes with and without the outlier.
Question 2
You have a dataset with the following 10 values {12, 14, 15, 15, 16, 18, 19, 20, 45, 50}. Calculate the mean and determine how the outlier of 50 affects your evaluation of the data.
💡 Hint: Examine both the mean and the range of normal values without the outlier.
Challenge and get performance evaluation