Data Science MCQs with answers Page - 4

Here, you will find a collection of MCQ questions on Data Science. Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 831.35K Points
Coach

Q. Which statistical measure represents the spread or dispersion of data values in a dataset?

  • (A) Median
  • (B) Mean
  • (C) Standard Deviation
  • (D) Mode

A

Admin • 831.35K Points
Coach

Q. In Data Science, what is the term for a data point that is missing a value for one or more features?

  • (A) Outlier
  • (B) Anomaly
  • (C) Null Value
  • (D) Feature

A

Admin • 831.35K Points
Coach

Q. What is the primary objective of data exploration in Data Science?

  • (A) To build predictive models
  • (B) To find hidden patterns
  • (C) To summarize data
  • (D) To collect data

A

Admin • 831.35K Points
Coach

Q. Which type of data is represented by categories or labels and cannot be measured numerically?

  • (A) Numerical Data
  • (B) Categorical Data
  • (C) Continuous Data
  • (D) Ordinal Data

A

Admin • 831.35K Points
Coach

Q. In Data Science, what is the purpose of data wrangling?

  • (A) To create complex models
  • (B) To transform raw data
  • (C) To visualize data
  • (D) To remove outliers

A

Admin • 831.35K Points
Coach

Q. What is the process of splitting a dataset into a training set and a test set used for machine learning called?

  • (A) Data Partitioning
  • (B) Data Sampling
  • (C) Data Splitting
  • (D) Data Shuffling

A

Admin • 831.35K Points
Coach

Q. Which of the following is a common algorithm used for classification in supervised learning?

  • (A) K-Means Clustering
  • (B) Decision Tree
  • (C) Principal Component Analysis (PCA)
  • (D) Naive Bayes

A

Admin • 831.35K Points
Coach

Q. What does the acronym "SQL" stand for in the context of Data Science?

  • (A) Structured Query Language
  • (B) Statistical Query Language
  • (C) Simplified Query Language
  • (D) Secure Query Language

A

Admin • 831.35K Points
Coach

Q. What is the primary focus of Data Science?

  • (A) Data Cleaning
  • (B) Data Visualization
  • (C) Data Analysis
  • (D) Data Storage

A

Admin • 831.35K Points
Coach

Q. Which of the following is NOT a common data format used in Data Science projects?

  • (A) JSON
  • (B) XML
  • (C) CSV
  • (D) HTML

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.