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Data Visualization MCQ's

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What is true about Data Visualization?
S Data Visualization
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D
Explanation
Data Visualization is used to communicate information clearly and efficiently to users by the usage of information graphics such as tables and charts. It helps users in analyzing a large amount of data in a simpler way. It makes complex data more accessible, understandable, and usable.
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Data can be visualized using?
S Data Visualization
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Explanation
Data visualization is a graphical representation of quantitative information and data by using visual elements like graphs, charts, and maps.
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Which method shows hierarchical data in a nested format?
S Data Visualization
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Explanation
Treemaps are best used when multiple categories are present, and the goal is to compare different parts of a whole.
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Which is used to inference for 1 proportion using normal approx?
S Data Visualization
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Explanation
prop.test() is used to inference for 1 proportion using normal approx.
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Which is used to find the factor congruence coefficients?
S Data Visualization
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Explanation
factor.congruence is used to find the factor congruence coefficients.
D
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Which of the following is tool for checking normality?
S Data Visualization
A
Explanation
qqnorm is another tool for checking normality.
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D
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Which of the following is false?
S Data Visualization
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Explanation
Data visualization decrease the insights andtake solwer decisions is false statement.
D
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Common use cases for data visualization include?
S Data Visualization
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Explanation
All option are Common use cases for data visualization.
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Which of the following plots are often used for checking randomness in time series?
S Data Visualization
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Explanation
If the time series is random, such autocorrelations should be near zero for any and all time-lag separations.
D
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Which are pros of data visualization?
S Data Visualization
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Explanation
Pros of data visualization : it can be accessed quickly by a wider audience.
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