In data visualization, what does "data compression" refer to?
A. Reducing data size
B. Adding annotations
C. Changing the chart type
D. Choosing a color palette
Answer: Option A
A. Reducing data size
B. Adding annotations
C. Changing the chart type
D. Choosing a color palette
Answer: Option A
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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