A sample study of incomes of executives and unskilled workers at Nash Products Inc. is taken and the following statistics are calculated.

Executive Sample mean (X) = $500,000Unskilled worker Sample mean (X) = $32,000

sample standard dev. = $50,000sample standard dev. = 3,200

What is the coefficient of variation of the Executive group?

What is the coefficient of variation of the Unskilled Workers?

Which group has greater variation and how do you know?