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Data Collection and Preprocessing MCQ Questions and Answers | Data Science MCQs

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

Each section contains 100 MCQs on Data Collection and Preprocessing .
1
What is the process of gathering data from various sources and storing it for analysis known as?
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Answer & Solution
Answer: Option B
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2
Which of the following is NOT a common source of data for data collection in Data Science?
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Answer: Option C
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3
In data collection, what is the term for the process of recording data in its original form without any changes?
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Answer & Solution
Answer: Option D
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4
Which of the following is a type of structured data that is organized in rows and columns, similar to a spreadsheet?
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Answer: Option A
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5
What is the process of cleaning and formatting raw data into a usable format called?
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Answer & Solution
Answer: Option C
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6
Which of the following is a technique used to handle missing data by filling in the missing values with estimated data?
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Answer: Option B
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7
What does the acronym "API" stand for in the context of data collection and retrieval?
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Answer: Option A
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8
Which method of data collection involves systematically observing and recording data without interfering with the subjects?
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Answer: Option D
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9
What is the term for the process of reducing the size of a dataset while retaining its essential characteristics?
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Answer: Option B
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10
Which of the following is a common technique used to preprocess text data, involving the removal of common words?
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Answer: Option D
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