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The frequency distribution above summarizes the numbers of minutes, rounded to the nearest integer, that 46 students individually spent studying for an exam. Based on the information given, which of the following statements must be true?

Indicate all such statements.
  • AThe total number of minutes that all of the students spent studying is greater than 1,500.
  • BThe average (arithmetic mean) number of minutes spent studying per student is greater than 25.
  • CThe range of the numbers of minutes spent studying is greater than 60.

B,C显示答案

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