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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a missing value?
💡 Hint: Think about data surveys.
Question 2
Easy
What is an outlier?
💡 Hint: Consider scores in a test.
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 definition of missing values?
- Data that is complete
- Data that is absent or incomplete
- Data that is accurate
💡 Hint: Consider what happens when data isn't fully recorded.
Question 2
True or False: An outlier is always a bad data point.
- True
- False
💡 Hint: Think about the valuable information outliers might reveal.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a dataset with 100 entries where 10 have missing values, describe an effective strategy to handle the missing values considering the distribution of your data.
💡 Hint: Check how the missing values affect the analysis.
Question 2
You find an outlier in your dataset that drastically alters the mean but not the median. Discuss how you should proceed and what factors to consider.
💡 Hint: Think critically about context and cause.
Challenge and get performance evaluation