The table shows the yearly earnings, in thousands of dollars, over a 10-year period for college graduates. Which statement is tr
ue about the distributions representing the yearly earnings? a) The mean earnings of the self-employed are higher than the mean earnings of the wage earners.
b) The distribution of earnings for wage earners is more symmetric than the distribution of earnings for the self-employed.
c) The IQRs of the distributions are equal.
d) The standard deviations of the distributions are equal.
