Are they easier to measure or are they measured by people who are more concerned about equality of outcome instead of equality of opportunity? Is it really sign

Are they easier to measure or are they measured by people who are more concerned about equality of outcome instead of equality of opportunity? Is it really significantly easier to measure the "diversity" of the incoming class of an Ivy League school than it is to determine whether the selection process between a set of individuals with the same qualifications will produce selections that are distributed in the same way as the applicants are distributed in that set?