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: Option C
A. Scatter plot
B. Bar chart
C. Treemap
D. Heatmap
Answer: Option C
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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