Practice Why Process Data? - 4.3.1 | 4. Acquiring Data, Processing, and Interpreting Data | CBSE Class 9 AI (Artificial Intelligence)
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Knowledge

4.3.1 - Why Process Data?

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is data cleaning?

💡 Hint: Think about the first step in preparing data for analysis.

Question 2

Easy

Name a common technique used in data transformation.

💡 Hint: Consider how we can standardize numerical ranges.

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 the primary purpose of data processing?

  • To gather data
  • To clean and structure data
  • To visualize data

💡 Hint: Think about what happens after you collect data.

Question 2

True or False: Data integration involves combining data from several sources.

  • True
  • False

💡 Hint: Consider how different departments might share data.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A local school has to cleanup data from a student records database that contains several errors and duplicates. Describe the steps they should take for data cleaning and explain the rationale behind each step.

💡 Hint: Consider the importance of accuracy for future analysis.

Question 2

You are provided with a dataset that has numerical data for test scores, but there are missing values marked as 'NULL.' Propose a method to handle these missing values while justifying your choice.

💡 Hint: Think about balancing the dataset while ensuring it remains representative.

Challenge and get performance evaluation