Practice - Handling Missing and Incorrect Data
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Practice Questions
Test your understanding with targeted questions
What is a missing value?
💡 Hint: Think about data surveys.
What is an outlier?
💡 Hint: Consider scores in a test.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the definition of missing values?
💡 Hint: Consider what happens when data isn't fully recorded.
True or False: An outlier is always a bad data point.
💡 Hint: Think about the valuable information outliers might reveal.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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