11. Which data visualization type is often used to display hierarchical data structures as a series of branching nodes? A. Scatter plot B. Bar chart C. Tree diagram D. Heatmap Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
12. What is the primary purpose of a "title" in a data visualization? A. Provides a concise description of the chart B. Adds decorative elements C. Represents the main data D. Explains the legend Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
13. In data visualization, what does "data-ink ratio" refer to? A. Proportion of ink used to represent data in a chart B. Data cleaning C. Choosing a color palette D. Data summarization Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
14. Which type of data visualization is used to display the relationship between three variables in a 3D space? A. Scatter plot matrix B. Treemap C. Bubble chart D. Heatmap Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
15. What is the primary goal of storytelling in data visualization? A. To engage and inform the audience B. To add chartjunk C. To make the chart more complex D. To slow down data analysis Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
16. Which type of chart is commonly used to represent hierarchical data with rectangular blocks? A. Scatter plot B. Bar chart C. Treemap D. Heatmap Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
17. What does the term "data-driven storytelling" mean in the context of data visualization and reporting? A. Using data to enhance the narrative B. Telling stories without data C. Adding chartjunk D. Ignoring data visualization Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
18. In a line chart, what does the x-axis typically represent? A. Categories or time intervals B. Numeric values C. Frequency of data points D. Color encoding Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
19. Which data visualization type is suitable for displaying the distribution of a single continuous variable along with its summary statistics? A. Histogram B. Box plot C. Scatter plot D. Line chart Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
20. What is the primary purpose of a "tooltip" in an interactive data visualization? A. Provides additional information B. Adds decorative elements C. Represents the main data D. Explains the legend Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
