=+6.14 USA Today (March 15, 2001) introduced a measure of racial and ethnic diversity called the Diversity Index.

The Diversity Index is supposed to approximate the probability that two randomly selected individuals are racially or ethnically different. The equation used to compute the Diversity Index after the 1990 census was 1 2 [P(W)

2 1 P(B)

2 1 P(AI)

2 1 P(API)

2

]

# [P(H)

2 1 P(not H)

2

]