for #2 so for range its; 27 -(-6)= 33

Question

right?

for quest 3

The numbers are: (yes 2 is listed twice)
2, 1, -1, 2, 0 , -2, 4, 0
for mean is it: 6 divide by 8 = .75

for median is it: 0 and 1 as median so
0 + 1 = 1 divide by 2 = median of : .5

for mode: 2

for range: is it : 4 - (-2) = 6