Podcast
Questions and Answers
Which of the following is NOT a common technique used in data cleaning?
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?
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?
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?
Which of the following is NOT a part of speech in English grammar?
Which of the following is a correct sentence in English grammar?
Which of the following is a correct sentence in English grammar?
Which of the following is a correct example of subject-verb agreement in English grammar?
Which of the following is a correct example of subject-verb agreement in English grammar?
Which of the following is an example of a coordinating conjunction in English grammar?
Which of the following is an example of a coordinating conjunction in English grammar?
What is the difference between a transitive and intransitive verb in English grammar?
What is the difference between a transitive and intransitive verb in English grammar?
Which of the following is an example of a preposition in English grammar?
Which of the following is an example of a preposition in English grammar?
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