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. $\overline { X ^ { * } }$ $\overline { X ^ { * } }$

Question

Quizplus · Accepted Answer

Relative variation is calculated as the standard deviation divided by the mean. For Bob, it's 16/200 = 0.08. For Mary, it's 15/125 = 0.12. Therefore, Bob has the smaller relative variation.

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