Stacked Bar Charts
CSAT (Aptitude)
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Version 1Updated 5 Mar 2026
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Stacked bars = segments within single bars showing cumulative data. Read bottom-to-top or left-to-right. Each segment position = cumulative value from base. Total bar height = sum of all segments. For percentages: segment value ÷ total bar × 100.
For ratios: compare segment values directly. Common errors: boundary confusion, wrong percentage base, cumulative calculation mistakes. Time limit: 2-4 minutes per question. Visual cues: legend colors, scale increments, segment boundaries.
STACK method: Segments-Totals-Analysis-Comparison-Key patterns.