From 1973 to 1990, the mean educational level of adults in white families increased by ______, while the mean educational level of adults in African-American families increased by ______.
A. 350%; 350%
B. 350%; 70%
C. 70%; 350%
D. 70%; 70%
Answer:D
From 1973 to 1990, the mean educational level of adults in white families increased by ______, while the mean educational level of adults in African-American families increased by ______.
A. 350%; 350% B. 350%; 70% C. 70%; 350% D. 70%; 70%