✅ Correct Answer: B. New backlog items were added and closed in the same sprint
🔍 Explanation:
A. The team adjusted estimates after completing the stories
❌ This might affect story point totals but doesn’t directly cause a simultaneous rise in both scope and completed work lines.
B. New backlog items were added and closed in the same sprint
✅ Correct – Adding and finishing new scope mid-sprint raises both total scope and completed work in the burnup, creating the illusion of improved velocity without actual capacity growth.
C. The team inflated story points to show better performance
❌ Would artificially boost velocity but wouldn’t explain the scope line increase in the burnup chart.
D. Scope was split into smaller items without changing totals
❌ Changing item size affects backlog structure but not the total scope trend in a burnup chart.
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