Answer:
Mean = 10.181818181818181818181818
Median = 10
Mode = 8
Range = 13 - 8 = 5
Step-by-step explanation:
MEAN 8+8+8+9+9+10+10+12+12+13+13 = 112/11=10.1818 forever.
MEDIAN 8 8 8 9 9 10 10 12 12 13 13
count five in both directions
MODE most numbers in a number scheme
RANGE highest number minus lowest number.