Data Visualization MCQs

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. Which are pros of data visualization?

A. It can be accessed quickly by a wider audience.
B. It can misrepresent information
C. It can be distracting
D. None Of the above

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3. Data can be visualized using?

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

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4. Which are cons of data visualization?

A. It conveys a lot of information in a small space.
B. It makes your report more visually appealing.
C. visual data is distorted or excessively used.
D. None Of the above

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5. 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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6. Which of the intricate techniques is not used for data visualization?

A. Bullet Graphs
B. Bubble Clouds
C. Fever Maps
D. Heat Maps

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

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

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8. Which one of the following is most basic and commonly used techniques?

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

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9. 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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10. Which is used to query and edit graphical settings?

A. anova()
B. par()
C. plot()
D. cum()

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11. 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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12. Which of the following method make vector of repeated values?

A. rep()
B. data()
C. view()
D. read()

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

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

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14. Who calls the lower level functions lm.fit?

A. lm()
B. col.max
C. par
D. histo

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15. 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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16. Which of the following lists names of variables in a data.frame?

A. par()
B. names()
C. barchart()
D. quantile()

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17. Common use cases for data visualization include?

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

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18. Which of the folllowing statement is true?

A. Scientific visualization, sometimes referred to in shorthand as SciVis
B. Healthcare professionals frequently use choropleth maps to visualize important health data.
C. Candlestick charts are used as trading tools and help finance professionals analyze price movements over time
D. All of the above

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19. 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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20. ________is used for density plots?

A. par
B. lm
C. kde
D. C

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