Practice Data Transformation - 4.3.2.2 | 4. Acquiring Data, Processing, and Interpreting Data | CBSE Class 9 AI (Artificial Intelligence)
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the main purpose of data transformation?

💡 Hint: Think about what happens to raw data to make it usable.

Question 2

Easy

What does normalization in data processing involve?

💡 Hint: Consider the range of values and how they relate to each other.

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 is data transformation primarily concerned with?

  • Cleaning data only
  • Transforming data for analysis
  • Storing data

💡 Hint: Consider what it means for data to be ready for use in machine learning.

Question 2

True or False: Normalization makes data values comparable.

  • True
  • False

💡 Hint: Think about how data can vary significantly without normalization.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You have survey data with categorical responses (Yes, No, Maybe). Propose a method for encoding these responses for a machine learning classification task.

💡 Hint: How do you think binary response systems work in machine learning?

Question 2

If you are provided with product reviews in text format, describe a method to transform this data into a structured format for sentiment analysis.

💡 Hint: Consider how text data might be expressed in numerical terms.

Challenge and get performance evaluation