what is the mean of 89,90,87,98,87,88
A.89
B.90
C.91
D.92
what is themedian of 10,11,13,12,17
A.11
B.12
C.13
D.14
what is the mode of 80,85,84,84,90
A.80
B.84
C.85
D.90​