Example 5: Grouped bars: comparing two series
Last Updated On: Fri Aug 28 2026Students passing in two schools (hundreds)
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Question
In which year did School B have more passing students than School A by the largest margin?
Solution
- Compare B - A each year: 2021: -10, 2022: +5, 2023: -15, 2024: +10.
- The largest positive margin is +10 in 2024.
- In 2024, School B exceeded School A by 1,000 students.