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Answer 1

Answer:

Mean:7.7

Median:8

Mode:8

Range:4

Step-by-step explanation:

mean is the same thing as average so we can do 5+(6x2)+(7x4)+(8x8)+(9x5) witch is 5+12+28+64+45=154  154/20= 7.7

medain is the average of the 2 numbers in the and there are 20 dots between    

so since the 2 middle numbers are 8 and (8+8)/2=8 \

mode is the most common and since there are the most 8's out of every number 8 is the mode

range is the biggest minus the smallest since the biggest is 9 and the smallest is 5 9-5=4

Answer 2

Mean: 8.1
Median (middle): 8
Mode: 8
Range: 4