Chart selection, dashboards, report design, KPIs and effective communication to audiences.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- What type of chart is best for comparing values across categories?
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A bar chart displays categorical data with rectangular bars representing values.- Which chart type shows how a value changes over time?
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A line chart displays trends and changes in values across time periods.- When should you use a pie chart?
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Use a pie chart to show how parts make up a whole, typically with no more than 5-6 slices.- What chart type best reveals the relationship between two continuous variables?
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A scatter plot shows correlation and distribution patterns between two variables.- Which visualization displays patterns across two categorical dimensions using color intensity?
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A heat map uses color gradients to show data density or values across categories.- What is a KPI?
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A Key Performance Indicator is a measurable metric used to evaluate progress toward specific business objectives.- Define a dashboard in data visualization.
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A dashboard is a visual display of key metrics and indicators designed to provide a quick overview of business performance.- What is the primary purpose of a report in data analysis?
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A report communicates findings, insights, and recommendations to stakeholders in a structured format.- Why is color choice critical in data visualization?
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Color affects readability, emotional response, and accessibility; poor color choices can distort data interpretation or exclude colorblind viewers.- What is a common accessibility issue in data visualization?
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Using red and green as the only color distinction excludes people with red-green colorblindness; use patterns, shapes, or labels as alternatives.- What does drill-down mean in interactive dashboards?
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Drill-down is the ability to click on summary data to reveal more detailed information beneath it.- Why is understanding your audience essential before creating a visualization?
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Audience analysis determines the appropriate level of detail, technical terminology, and visual complexity needed for effective communication.- What is data storytelling?
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Data storytelling is the practice of using context, visualization, and narrative to make data insights compelling and actionable.- What is benchmarking in reporting?
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Benchmarking compares performance metrics against industry standards, competitors, or historical baselines to assess relative performance.- Which chart type best displays how a value has changed from a starting point?
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A waterfall chart shows the cumulative effect of positive and negative changes across sequential data points.
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