Data Visualization Chart Types and Selection 1 — Questions and Answers
Question 1: Which chart type is best suited for showing the composition of a whole divided into parts?
- Pie chart (Correct answer)
- Line chart
- Scatter plot
- Histogram
Correct answer: Pie chart
Pie charts show part-to-whole relationships by dividing a circle into proportional slices.
Question 2: Which chart type is most effective for displaying the distribution of a continuous variable?
- Bar chart
- Histogram (Correct answer)
- Bubble chart
- Treemap
Correct answer: Histogram
Histograms display frequency distributions of continuous data by grouping values into bins.
Question 3: What chart type should you use to show the relationship between two continuous variables?
- Bar chart
- Pie chart
- Scatter plot (Correct answer)
- Area chart
Correct answer: Scatter plot
Scatter plots display correlations and relationships between two continuous quantitative variables.
Question 4: Which visualization is best for comparing values across multiple categories?
- Waterfall chart
- Bar chart (Correct answer)
- Heat map
- Box plot
Correct answer: Bar chart
Bar charts are the most effective tool for comparing discrete categorical values side by side.
Question 5: Which chart type is specifically designed to show hierarchical data as nested rectangles?
- Sunburst chart
- Dendrogram
- Treemap (Correct answer)
- Sankey diagram
Correct answer: Treemap
Treemaps display hierarchical data as nested rectangles sized proportionally to their value.
Question 6: What chart type is most appropriate for tracking trends over time?
- Radar chart
- Line chart (Correct answer)
- Waffle chart
- Dot plot
Correct answer: Line chart
Line charts connect data points in chronological order to clearly show trends and changes over time.
Data Visualization Chart Types and Selection 1
Which chart type is best suited for showing the composition of a whole divided into parts?