Which type of data visualization is often used to display a hierarchical structure with nodes and connections?
A. Scatter plot
B. Sankey diagram
C. Line chart
D. Pie chart
Answer: Option B
A. Scatter plot
B. Sankey diagram
C. Line chart
D. Pie chart
Answer: Option B
What is the primary purpose of data visualization in data science?
A. Summarizing data
B. Communicating insights
C. Cleaning data
D. Storing data
A. Bar chart
B. Scatter plot
C. Histogram
D. Pie chart
A. Heatmap
B. Scatter plot
C. Bar chart
D. Pie chart
A. Rainbow
B. Viridis
C. Red-Blue
D. Random
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