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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does IQR stand for?
💡 Hint: Remember, it relates to quartiles.
Question 2
Easy
What are the lower and upper bounds for outliers?
💡 Hint: Think about how we determine the range for outliers.
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 does the IQR represent in a dataset?
- The average
- The middle 50% data spread
- The max value
💡 Hint: Remember, it's about the 25th and 75th percentiles.
Question 2
True or False: Outliers can never have a significant impact on data analysis?
- True
- False
💡 Hint: Consider how extreme values affect averages.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a dataset: [10, 12, 38, 40, 42, 49, 50, 52, 56, 60, 110]. Calculate the IQR and identify the outliers.
💡 Hint: Always start by sorting the data.
Question 2
In a classroom of test scores [65, 70, 75, 80, 85, 90, 95, 100, 105, 10], identify the outliers using the IQR method.
💡 Hint: Look for points that sit outside the calculated bounds.
Challenge and get performance evaluation