What does the "Pareto principle" state in the context of data visualization?
A. Roughly 80% of effects come from 20% of causes
B. Create a line chart
C. Add chartjunk
D. Ignore data cleaning
Answer: Option A
A. Roughly 80% of effects come from 20% of causes
B. Create a line chart
C. Add chartjunk
D. Ignore data cleaning
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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