42. For a sample of high school students in South Carolina, the percentage who reported they had had sexual intercourse was 65% for white males (n = 1147), 54% for white females (n=1314), 89% for black males (n = 612), and 71% for black females (n = 820) (D.

Richter et al., Journal of School Health. Vol. 63. 1993. p. 91) Analyze these data, and interpret.