Data Visualization MCQs Questions And Answers

This section focuses on "Data Visualization" in Data Science. These Data Visualization Multiple Choice Questions (MCQ) should be practiced to improve the Data Science skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. What is true about Data Visualization?

A. Data Visualization is used to communicate information clearly and efficiently to users by the usage of information graphics such as tables and charts.
B. Data Visualization helps users in analyzing a large amount of data in a simpler way.
C. Data Visualization makes complex data more accessible, understandable, and usable.
D. All of the above

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2. Data can be visualized using?

A. graphs
B. charts
C. maps
D. All of the above

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3. Data visualization is also an element of the broader _____________.

A. deliver presentation architecture
B. data presentation architecture
C. dataset presentation architecture
D. data process architecture

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4. Which method shows hierarchical data in a nested format?

A. Treemaps
B. Scatter plots
C. Population pyramids
D. Area charts

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5. Which is used to inference for 1 proportion using normal approx?

A. fisher.test()
B. chisq.test()
C. Lm.test()
D. prop.test()

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6. Which is used to find the factor congruence coefficients?

A. factor.mosaicplot
B. factor.xyplot
C. factor.congruence
D. factor.cumsum

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7. Which of the following is tool for checking normality?

A. qqline()
B. qline()
C. anova()
D. lm()

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8. Which of the following is false?

A. data visualization include the ability to absorb information quickly
B. Data visualization is another form of visual art
C. Data visualization decrease the insights and take solwer decisions
D. None Of the above

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9. Common use cases for data visualization include?

A. Politics
B. Sales and marketing
C. Healthcare
D. All of the above

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10. Which of the following plots are often used for checking randomness in time series?

A. Autocausation
B. Autorank
C. Autocorrelation
D. None of the above

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