What type of chart is often used to visualize the frequency distribution of a categorical variable?
A. Scatter plot
B. Bar chart
C. Line chart
D. Box plot
Answer: Option B
A. Scatter plot
B. Bar chart
C. Line chart
D. Box plot
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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