Solve problems 2 page 7 Math textbook 7 Kite volume 2 – CD

Grade 7 of a middle school has four classes, 7A, 7B, 7C, 7D, each class has 40 students. The school allows 7th grade students to register to visit two museums: the National Museum of History and the Vietnam Museum of Ethnology. Each student can only register to visit one museum. Thao made the double-column chart in Figure 3 showing the number of students registered to visit the two museums in each class.

Thao has misrepresented the data of a class in the compound column chart in Figure 3. In your opinion, Thao has misrepresented the data of which class?

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