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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an outlier?
💡 Hint: Think about values that stand out in a dataset.
Question 2
Easy
Name one method for detecting outliers.
💡 Hint: Consider visual methods.
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 a possible sign of an outlier in a box plot?
- A dot outside the whiskers
- A large number
- An exact mean
💡 Hint: Visualize a box plot.
Question 2
True or False: Using Z-scores requires knowledge of the mean and standard deviation.
- True
- False
💡 Hint: Remember what Z-scores quantify.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a dataset of house prices with values ranging from $150,000 to $1,500,000, how would you detect and treat outliers? Discuss your approach.
💡 Hint: Consider both visual and statistical methods for identifying outliers.
Question 2
You are working with a dataset that has performance metrics for a sales team. If one representative has far higher sales than the others, how would you address this? Discuss the analysis and treatment options.
💡 Hint: Think about the implications of removing or treating an outlier in the analysis.
Challenge and get performance evaluation