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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does MCAR stand for?
💡 Hint: Remember the complete randomness of missing entries.
Question 2
Easy
Can you give an example of MAR?
💡 Hint: Think about patterns in missing responses.
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 type of missingness is MCAR?
- Random with bias
- Completely random
- Dependent on other data
💡 Hint: Think about whether randomness affects outcomes.
Question 2
Is MAR always a major source of bias?
- True
- False
💡 Hint: Recall how observed data can help understand missingness.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a dataset containing survey responses regarding financial habits. The highest earners tend to skip the income question. Identify the type of missingness and suggest a handling strategy.
💡 Hint: Refer back to definitions to identify the missingness.
Question 2
In a dataset describing health outcomes, some individuals do not answer questions about their health while others do, based on their age. Identify the type of missingness and explain the remedy.
💡 Hint: Think about how observed data relates to the missing values.
Challenge and get performance evaluation