Which data set has the greatest spread?
Set A - {84, 91, 87, 77, 94, 89, 74}
Set B - {89, 73, 84, 91, 87, 77, 94}
Set C - {73, 84, 89, 88, 77,91, 87, 90}
Set D-{84, 89, 88, 82, 91, 87, 99}
Set A
OB. Set B
C. Setc
D. Set D