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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a row in a dataset?
💡 Hint: Think of a row as an individual entry.
Question 2
Easy
What do we call the attributes of a dataset?
💡 Hint: Consider how you label the features in a table.
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 do we call the number of records in a dataset?
- Columns
- Rows
- Attributes
💡 Hint: Think of how data is organized in a table.
Question 2
True or False: Unique values can help identify anomalies in a dataset.
- True
- False
💡 Hint: Consider how discrepancies appear in data entries.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a dataset with thousands of records, describe how you would approach understanding its structure and preparing it for further analysis.
💡 Hint: Consider how each step leads to better data manipulation.
Question 2
You have a dataset with mixed types in a column meant for integers. Discuss ways to clean this data before analysis.
💡 Hint: Think about data consistency and the importance of data type integrity.
Challenge and get performance evaluation