19, 25, 31, 19, 34, 22, 31, 34
Mean:
Median:
Mode:
Range:

Order them from least to greatest. The number in the middle of that list will be the median. If two numbers are in the middle, add them up and divide by two to get the median. The mode is the number that occurs most often. There can be more than one mode. Range is the largest number minus the smallest number in the list. Finally, mean is all the numbers added up, divided by the amount of # in the list (which is 8)