Based on Daily Measurements, Bob's Weight Has a Mean of 200

Multiple Choice

Based on daily measurements, Bob's weight has a mean of 200 pounds with a standard deviation of 16 pounds, while Mary's weight has a mean of 125 pounds with a standard deviation of 15 pounds. Who has the smaller relative variation?

A) Bob
B) Mary
C) They are the same. $\overline { X ^ { * } }$ $\overline { X ^ { * } }$