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Data Science Miscellaneous MCQ Questions and Answers | Data Science MCQs

Explore our comprehensive collection of multiple-choice questions (MCQs) on Data Science Miscellaneous designed to boost your confidence and knowledge in data science. These data science MCQs are essential for data science job interviews and exams. Page-4 section-1

Each section contains 100 MCQs on Data Science Miscellaneous .
31
In data science, what is the term for the process of finding and handling missing data in a dataset?
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Answer & Solution
Answer: Option C
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32
What does the term "ensemble learning" refer to in machine learning?
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Answer: Option D
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33
In statistical hypothesis testing, what is the significance level typically denoted by the symbol ? (alpha)?
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Answer & Solution
Answer: Option A
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34
What is the primary goal of feature engineering in machine learning?
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Answer: Option D
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35
In the context of natural language processing (NLP), what does "TF-IDF" stand for?
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Answer & Solution
Answer: Option C
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36
What does the term "bias" refer to in machine learning and statistics?
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Answer: Option B
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37
In data science, what is the term for the process of reducing the volume of data while retaining meaningful information?
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Answer: Option C
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38
Which statistical test is used to determine if there is a significant difference between the means of more than two groups?
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Answer: Option D
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39
What is the primary purpose of the "Pearson correlation coefficient" in statistics?
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Answer: Option A
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40
In machine learning, what is the term for a type of model that can make predictions for both classification and regression tasks?
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Answer & Solution
Answer: Option D
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