ex1615 {Sleuth2} | R Documentation |
Trends in SAT Scores
Description
Data shows a partial listing of a data set with ratios of average math
to average verbal SAT scores in the United States and the District of
Columbia for 1989 and 1996–1999.
Usage
ex1615
Format
A data frame with 51 observations on the following 6 variables.
State
- a character vector indicating the state
M/V:89
- average MATH SAT scores divided by average
VERBAL SAT score in 1989
M/V:96
- average MATH SAT scores divided by average
VERBAL SAT score in 1996
M/V:97
- average MATH SAT scores divided by average
VERBAL SAT score in 1997
M/V:98
- average MATH SAT scores divided by average
VERBAL SAT score in 1998
M/V:99
- average MATH SAT scores divided by average
VERBAL SAT score in 1999
Source
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A
Course in Methods of Data Analysis (2nd ed), Duxbury.
Examples
str(ex1615)
[Package
Sleuth2 version 1.0-1
Index]