ex1615 {Sleuth2}

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)