The graph above depicts the performance ratings of two sports teams A and B in five different seasons In the last five seasons, what was the difference in t...

Average performance rating of Team B = 7+9+1+9+65=325 $\frac{7+9+1+9+6}{5}=\frac{32}{5}$ = 6.4

Average performance rating of Team A = 5+3+6+10+25=265 $\frac{5+3+6+10+2}{5}=\frac{26}{5}$ = 5.2

∴ The difference in the average performance ratings between Team B and Team A = 6.4 - 5.2 = 1.2