Which Set Has the Largest Standard Deviation

Multiple Choice

Which set has the largest standard deviation?

A) Set 2,because 80 and 180 in set 1 are larger than 10 and 110 in set 2.
B) Neither,because the values in set 1 are just the values in set 2 plus 70.
C) Set 1,because 180 in set 1 is larger than 110 in set 2.
D) Set 1,because 80 and 180 in set 1 are larger than 10 and 110 in set 2.
E) Set 2,because set 2 has a smaller range than set 1.