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Introduction to Data Science MCQ Questions and Answers | Data Science MCQs

Explore our comprehensive collection of multiple-choice questions (MCQs) on Introduction to Data Science designed to boost your confidence and knowledge in data science. These data science MCQs are essential for data science job interviews and exams. Page-3 section-1

Each section contains 100 MCQs on Introduction to Data Science .
21
Which library in Python is commonly used for data manipulation and analysis in Data Science?
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Answer & Solution
Answer: Option A
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22
What is the term for the process of cleaning and organizing data into a structured format suitable for analysis?
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Answer & Solution
Answer: Option A
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23
In Data Science, what is the primary purpose of data visualization?
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Answer & Solution
Answer: Option C
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24
Which step in the Data Science process involves assessing the quality of collected data?
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Answer & Solution
Answer: Option C
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25
Which of the following is a common technique used to handle imbalanced datasets in classification problems?
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Answer & Solution
Answer: Option A
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26
What type of data analysis focuses on understanding the relationships and patterns within a dataset?
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Answer & Solution
Answer: Option A
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27
Which of the following is NOT a key role in a typical Data Science team?
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Answer & Solution
Answer: Option D
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28
What is the process of converting categorical variables into numerical values for machine learning called?
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Answer: Option B
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29
Which of the following is NOT a common data visualization tool or library used in Data Science?
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Answer & Solution
Answer: Option D
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30
In Data Science, what is the term for the process of reducing the dimensionality of a dataset while preserving information?
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Answer & Solution
Answer: Option A
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