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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are the three components of seasonal decomposition?
💡 Hint: Remember the acronym TSR.
Question 2
Easy
What does the trend component represent?
💡 Hint: Think about the long-term behavior of the data.
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
In seasonal decomposition, what does 'seasonality' refer to?
- Long-term direction
- Repetitive patterns
- The remaining noise
💡 Hint: Think about the cycles in data that happen regularly.
Question 2
True or False: Residuals can indicate anomalies in data.
- True
- False
💡 Hint: What do residuals represent?
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a time series dataset with a clear yearly sales pattern, describe how you would apply seasonal decomposition and interpret the findings.
💡 Hint: Consider what each component will tell you about overall business performance.
Question 2
If a decomposition plot shows an increasing trend with strong seasonality but high residuals, what actions might a data analyst take?
💡 Hint: Focus on how to improve accuracy in seasonally driven environments.
Challenge and get performance evaluation