Practice Summary (16.10) - Concepts of Data Science - CBSE 10 AI (Artificial Intelleigence)

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is structured data?
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Think of spreadsheets!
Question 2.
Give an example of unstructured data.
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Think of social media posts!
3Question 3.
What is the first step in the Data Science life cycle?
- Data Collection
- Data Cleaning
- Problem Definition
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Consider what needs solving first.
4Question 4.
True or False: Structured data is organized in tables.
- True
- False
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Think about how databases organize information.
Question 5.
A company wants to improve its sales performance. How would you utilize the Data Science life cycle to approach this issue? Outline each stage and what tasks you would perform.
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Think logically about how to break down the problem.
Question 6.
Given a dataset with various customer information, how would you proceed with data cleaning? What specific aspects would you check?
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Consider the qualities of clean data and its importance in analysis.

5 more questions in this section. Enroll free to practise them all.