If the median of 25 numbers is 55, then twelve of the numbers must be greater than 55. True
False
The average of 11 numbers is 130. None of the 11 numbers are more than 260.

True
False
The average of 25 numbers is 100, and the median of those 25 numbers is also 100. The mode of the 25 numbers must be 100.

True
False
The mean of 45 numbers is 70. If you pick any group of 10 numbers from the 45, the mean will be 70.

True
False
The average of 42 numbers is 20. The sum of all 42 numbers is 840.

True
False
The average of 49 numbers is 100. If a 50th number is added and the average remains at 100, the 50th number must have been 100.

True
False