FREE DAC Data Visualization & Reporting Questions and Answers
Which type of visualization is best for showing trends over time?
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A line chart is commonly used to display trends over time, as it effectively shows how values change sequentially.
Which type of chart is best for comparing multiple categories?
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A bar chart is ideal for comparing multiple categories since it allows for easy comparison of values across different groups.
What is an essential characteristic of an effective data visualization?
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An effective data visualization should be clear, concise, and easy to interpret, allowing viewers to quickly grasp key insights.
What is the main purpose of data visualization?
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Data visualization helps represent complex data in a graphical format, making it easier to interpret and analyze.
Which tool is commonly used for data visualization?
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Tableau is a popular data visualization tool that enables users to create interactive and dynamic dashboards.
What is a dashboard in data visualization?
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A dashboard is a collection of visualizations that provide an overview of key metrics and insights in one place.