Practice Data Preprocessing - 7.6.3 | 7. Statistics | CBSE 9 AI (Artificial Intelligence)
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Data Preprocessing

7.6.3 - Data Preprocessing

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is data preprocessing?

💡 Hint: Consider the steps taken to prepare data.

Question 2 Easy

List one benefit of data cleaning.

💡 Hint: Think about data quality.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary purpose of data preprocessing?

To make data smaller
To enhance data quality
To analyze data

💡 Hint: Think about how data quality affects results.

Question 2

True or False: Normalization is not necessary for machine learning models.

True
False

💡 Hint: Consider examples of features with different ranges.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A dataset contains numerous duplicates and missing values. Propose a strategy for cleaning it and the tools you might use.

💡 Hint: Consider the specific methods you can use in programming.

Challenge 2 Hard

You have multiple features in varying scales in your dataset. Propose how you will apply normalization and discuss its impact.

💡 Hint: Think about the importance of equal representation in data.

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