DV_5320

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University of North Texas *

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5320

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Computer Science

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Dec 6, 2023

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pdf

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2

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What is the primary purpose of data visualization? a. Encrypting sensitive data b. Making data more aesthetically pleasing c. Communicating information clearly and efficiently d. Generating random datasets Which type of chart is best suited for showing the distribution of a continuous dataset? a. Bar chart b. Pie chart c. Histogram d. Line chart What does the term "heatmap" refer to in the context of data visualization? a. A graphical representation of data in a matrix format b. A chart depicting the relative proportions of a whole c. A line connecting data points in a time series d. A 3D representation of data points In a scatter plot, what does each point on the graph represent? a. Categories of data b. A single data value c. The mean of a dataset d. The mode of a dataset What is the purpose of color coding in data visualization? a. Enhancing aesthetics b. Adding complexity to the visualization c. Communicating additional information or categories d. Simplifying the data representation Which data visualization tool is widely used for creating interactive and dynamic visualizations? a. Tableau b. Microsoft Excel c. Matplotlib d. ggplot2 What is the advantage of using a choropleth map in data visualization?
a. Depicting spatial patterns and variations b. Representing hierarchical relationships c. Showing connections between nodes d. Displaying time-based data trends Which principle of data visualization suggests that graphical elements should be used purposefully to convey information efficiently? a. Aesthetics principle b. Tufte's data-ink ratio c. Color theory d. Gestalt principle What does the term "data storytelling" mean in the context of data visualization? a. Creating fictional narratives based on data b. Presenting data in a way that tells a compelling and coherent story c. Analyzing data without any visual representation d. Using data for marketing purposes only Which type of chart is suitable for showing the relationship between two variables in a dataset? a. Box plot b. Radar chart c. Bubble chart d. Gantt chart
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