Data Science MCQ Quiz Questions and Answer PDF Download
Data Science MCQ Quiz Questions & Answer >> Data Science MCQ Quiz and Online Test PDF >> 30 Data Science MCQ with Answers
Data Science MCQ: Data Science is a very good career with huge opportunities for advancement in the future. Already, demand is high, salaries are competitive, and the perks are numerous. So candidates improve your knowledge by using these Data science MCQ Quiz. The work environment of a data scientist can be very stressful due to long working hours and a lonely environment. The terms data analytics, big data, artificial intelligence and data science are all hot now. Practice well in this Data Science MCQ Quiz and online Test questions. At the end of the page you will get Data Science Multiple choice questions and answer PDF. Data Science MCQ with answer/Data Science MCQ Questions and answer free pdf will be useful for candidates who preparing /exams and others.
Benefits of Data Science
- Improves Business Predictions.
- Business Intelligence.
- Helps in Sales & Marketing.
- Increases Information Security.
- Complex Data Interpretation.
- Helps in Making Decisions.
- Automating Recruitment Processes.
- Final Word
Data Science MCQ Questions
Article Name | Data Science |
Number of Questions | 30 |
Category | MCQ |
Important MCQ Quiz Link
- Candidate who are seeking Machine language MCQ Question and Cassandra interview question and answer may use this given quiz.
Data Science MCQ (Multiple Choice Questions)
1. Which one is NOT from Phase 1 of Data Science Life Cycle
- Learning the target domain
- Developing initial hypothesis
- Visualize initial hypothesis
- Identifying key variables
Answer: Visualize initial hypothesis
2. Which of the following is the most important language for Data Science?
Answer: R
3. A collection of information about a related topic is referred to as a__________
- Visualisation
- Analysis
- Conclusion
- Data
Answer: Visualisation
4. To find the _________ you add up all the numbers and then divide by how many numbers you have.
Answer: Mean
- Create reproducible code
- Challenge results
- Define the question
- All of the above
Answer: Challenge results
6. Which is not a tool for Statistical Data Analysis?
- Logistic Regression
- Linear & Non-linear Regression
- Histogram
- ANOVA
Answer: Histogram
7. What is the mean of test scores?
- 85, 95, and 100
- 30
- 87
- None
Answer: 87
8. Choose the correct keyword for this definition: A graphical representation of a data set
- Data Set
- Investigative Cycle
- Visualisation
- None
Answer: Visualisation
9. To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.
Answer: Median
10. R is an interpreted language so it can access through _____________?
- Command line interpreter
- Disk operating system
- Operating system
- User interface operating system
Answer: Command line interpreter
11. Data has been collected on visitors’ viewing habits at a bank’s website. Which technique is used to identify pages commonly viewed during the same visit to the website?
- Clustering
- Classification
- Association Rules
- Regression
Answer: Association Rules
12. A relationship between two or more variables is referred to as a ________
- Trend
- Spike
- All of above
- None of above
Answer: Trend
13. A graphical representation of a data set is referred to as a ______
- Visualization
- Data Set
- Investigative Cycle
- None
Answer: Visualization
14. Which of the following step is performed by data scientist AFTER acquiring the data?
- Data Integration
- Data Replication
- Data Cleansing
- All of the above
Answer: Data Cleansing
15. Data that sits outside the trend is referred to as a ______
- Outlier
- Trend
- Spike
- Both 1 & 2
Answer: Both 1 & 2
16. Which of the following approach should be used to ask Data Analysis question?
- Find out the question which is to be answered
- Find only one solution for particular problem
- Find out answer from dataset without asking question
- None
Answer: Find out the question which is to be answered
17. Which of the following is NOT a machine learning algorithm?
- SVG
- Random Forest
- SVM
- None
Answer: SVG
18. What is Big Data?
- Data with the word ‘big’ in it
- Data about people who are big
- Data with a large size
- Data made with a big purpose
Answer: Data with a large size
19. What is R an implementation of?
- Logical Scoping
- S Programming Language
- Lexical Scoping
- Q Programming Language
Answer: S Programming Language
20. The 5 steps required to identify a problem and come up with a solution are referred to as the ________ Cycle
- Visualization
- Investigative
- Conclusion
- None
Answer: Investigative
21. Which of the following is characteristic of Processed Data?
- Hard to use for data analysis
- Data is not ready for analysis
- All steps should be noted
- None of the above
Answer: None of the above
22. Which was not mentioned as a latest trend tool________
- Excel
- Pentaho
- SPSS
- Notepad
Answer: Notepad
23. Which of the following is one of the key data science skill ?
- Machine Learning
- Statistics
- Data Visualization
- All of the above
Answer: All of the above
24. Which of the following is not a stage in the Investigative Cycle?
- Investigate
- Analysis
- Conclusion
- None
Answer: Investigate
25. Vectors come in two parts_____ and _____
- Atomic vectors and list
- Atomic vectors and array
- Atomic vectors and matrix
- None
Answer: Atomic vectors and list
26.Choose the correct keyword for this definition: A collection of information about a related topic
Answer: Data Set
- Data Mining
- Data Exploration
- Data Analysis
- Data Visualization
Answer: Data Analysis
28. Which of the following is key characteristic of hacker ?
- Willing to find answers on their own
- Afraid to say they don’t know the answer
- Not Willing to find answers on their own
- All of the mentioned
Answer: Willing to find answers on their own
29. Which of the following characteristic of big data is relatively more concerned to data science ?
- Variety
- Volume
- Velocity
- None
Answer: Variety
30. R is an__________ programming language?
- GPL
- Open source
- Closed source
- Definite source
Answer: Open source
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