Introduction to Data Science and Analytics.
Exam Questions With Correct Answers A+
A. Data Science - Answer✔1. The multi- disciplinary field that uses scientific method, processes,
algorithms, computations, and systems in order to extract understanding and insights from a
structured and / or unstructured data.
A. Data Science
B. Descriptive Statistics
C. Predictive Analytics
D. Data Mining
C. Data Scientist - Answer✔2. It is the "sexiest job of the 21st century" according to Harvard
Business School.
A. Data Analyst
B. Data Encoder
C. Data Scientist
D. Data Steward
C. Necessity - Answer✔3. The mother of all inventions.
A. Data
B. Statistics
C. Necessity
D. Technology
D. Data technologist - Answer✔4. Which of the following is NOT a part of the data science
team?
A. Data collector
B. Data engineer
C. Data modeler
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D. Data technologist
D. Traditional Research - Answer✔5. Without the expertise in algorithms or programming, it is
the combination of the skillset in research and knowledge in mathematics and statistics.
A. Danger Zone
B. Machine Learning
C. Hacking
D. Traditional Research
D. Data Mining - Answer✔6. Finding useful pattern in a data.
A. Big Data
B. Data Analytics
C. Data Clustering
D. Data Mining
C. Hypothesis testing - Answer✔7. All of the following are groups of learning models in data
mining, except:
A. Association
B. Clustering
C. Hypothesis testing
D. Text analysis
C. unsupervised learning - Answer✔8. The objective of this class of data mining technique is to
find patterns in data based on the relationship between data points themselves. There is no
outcome attribute y in this technique.
A. dimension slicing
B. directed data mining
C. unsupervised learning
D. visualization
C. Optimization - Answer✔9. Also called as prescriptive analytics, this is the part of analytics
where best solution is chosen.
A. Business intelligence
B. Drill down
C. Optimization
D. Predictive modeling
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