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.

Question

Quizplus · Accepted Answer

Relative variation is measured by the coefficient of variation (CV), which is the standard deviation divided by the mean. Bob's CV is 16/200 = 0.08, while Mary's CV is 15/125 = 0.12. Bob has the smaller relative variation.

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