Data Visualizationeasy
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A histogram shows the ages of visitors to a museum:\n- [10–20): 15 visitors\n- [20–30): 22 visitors\n- [30–40): 18 visitors\n- [40–50): 10 visitors\n\nHow many visitors were aged below 30 years old?
A histogram shows the ages of visitors to a museum:\n- [10–20): 15 visitors\n- [20–30): 22 visitors\n- [30–40): 18 visitors\n- [40–50): 10 visitors\n\nHow many visitors were aged below 30 years old?