If an employer discovers that it has a job category where one might expect to find more women and minorities employed than are actually in its workforce, the employer has a reasonable basis for .

Affirmative actions

Explanation:

Affirmative actions are a policy that is used to increase the opportunities that are under-represent by society on the bases of an individual race, sex, gender, and ethnicity. This policy is used to increase the number of people in a company, area and the institution in the society. This policy focused on the demographic area of people who are low in leadership, academics and the professional roles of a person.  

Thus if an employer searching that this job is based on the category then the candidate has to provide the original bases of it.