States data frame has 51 rows and 8 columns.
The observations are the U. S. states and Washington, D. C.
This data frame contains the following columns:
U. S. Census regions.
A factor with levels:
ENC, East North Central;
ESC, East South Central;
NE, New England;
SA, South Atlantic;
WNC, West North Central;
WSC, West South Central.
Population: in 1,000s.
Average score of graduating high-school students in the state on the verbal component of the Scholastic Aptitude Test (a standard university admission exam).
Average score of graduating high-school students in the state on the math component of the Scholastic Aptitude Test.
Percentage of graduating high-school students in the state who took the SAT exam.
State spending on public education, in \$1000s per student.
Average teacher's salary in the state, in $1000s.
United States (1992) Statistical Abstract of the United States. Bureau of the Census.
Moore, D. (1995) The Basic Practice of Statistics. Freeman, Table 2.1.
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