Rejecting unreasonable claims based on average statistics

Question

A private college advertised that last year their freshman students, on average, had a score of 

1160 on the college entrance exam. Assuming that average refers to the mean, which of the following claims must be true based on this information? Note: More than one statement could be true. If none of the statements is true, mark the appropriate box.

	Last year some of their freshman students had a score of at least 1160 on the exam.
	Next year some of their freshman students will have a score of at least 1160 on the exam.
	Last year at least one of their freshman students had a score of exactly 1160  on the exam.
	Last year at least one of their freshman students had a score of less than 1320  on the exam.
	Last year, the number of their freshman students who had a score of 1160 or below on the exam was equal to the number of their freshman students who had a score of 1160  or above on the exam.
	None of the above statements are true.

Answer 1

Last year some of their freshman students had a score of at least 1160 on the exam.