Introduction to data science questions with answers
102 multiple-choice questions. Open any question for its answer and explanation.
- Point out the wrong statement.
- Which of the following principle characteristic is odd man out in the below figure?
- In Data Science, what is the purpose of data wrangling?
- Which statistical measure represents the spread or dispersion of data values in a dataset?
- What is the primary objective of exploratory data analysis (EDA) in Data Science?
- Point out the correct statement.
- Which step in the Data Science process involves building and training predictive models?
- Which of the following is commonly referred to as 'data fishing'?
- Point out the correct statement.
- Point out the correct statement.
- 3V's are not sufficient to describe big data.
- Which of the following is characteristic of Processed Data?
- Point out the correct statement.
- Accurate prediction depends heavily on measuring the right variables.
- What is the primary focus of Data Science?
- Which of the following command allows you to update the repository?
- Which of the following is not a CLI command?
- In Data Science, what is the term for a data point that is missing a value for one or more features?
- Which of the following analysis is usually modeled by deterministic set of equations?
- Which of the following relationship are usually identified as average effects?
- Which of the following uses data on some object to predict values for other object?
- Which of the following is a common algorithm used for classification in supervised learning?
- If X predicts Y, it does mean X causes Y.
- Which of the following model is usually a gold standard for data analysis?
- In Data Science, what is the primary purpose of data visualization?