Data Science Quiz
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Questions and Answers

Which of the following is NOT a common technique used in data cleaning?

  • Outlier detection and removal
  • Missing value imputation
  • Data augmentation (correct)
  • Data normalization

    • What is the purpose of exploratory data analysis?

  • To visualize data in an aesthetically pleasing way
  • To build predictive models
  • To summarize and describe the main features of a dataset (correct)
  • To confirm hypotheses and test specific research questions

    • What is the difference between supervised and unsupervised learning?

  • Supervised learning requires labeled data, while unsupervised learning does not (correct)
  • Supervised learning is used for small datasets, while unsupervised learning is used for large datasets
  • Supervised learning is used for classification problems, while unsupervised learning is used for regression problems
  • Supervised learning uses neural networks, while unsupervised learning uses decision trees

    • Which of the following is NOT a part of speech in English grammar?

    <p>Preposition</p> Signup and view all the answers

    Which of the following is a correct sentence in English grammar?

    <p>They are taller than she.</p> Signup and view all the answers

    Which of the following is a correct example of subject-verb agreement in English grammar?

    <p>The group of students is excited for the field trip.</p> Signup and view all the answers

    Which of the following is an example of a coordinating conjunction in English grammar?

    <p>and</p> Signup and view all the answers

    What is the difference between a transitive and intransitive verb in English grammar?

    <p>Transitive verbs require a direct object, while intransitive verbs do not</p> Signup and view all the answers

    Which of the following is an example of a preposition in English grammar?

    <p>in</p> Signup and view all the answers

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