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For two statistics classes, class A and class B, there are more students in class A than in class B. The heights of the students in both classes were measured.
Which of the following statements individually provide(s) sufficient additional information to conclude that the average(arithmetic mean)height of the students in class A is greater than the average height of the students in class B?
Indicate all such statements.
Which of the following statements individually provide(s) sufficient additional information to conclude that the average(arithmetic mean)height of the students in class A is greater than the average height of the students in class B?
Indicate all such statements.
B显示答案
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以上解析由 考满分老师提供。
