case1201 {Sleuth2}

State Average SAT Scores

Description

Data on the average SAT scores for US states in 1982 and possible associated factors.

Usage

case1201

Format

A data frame with 50 observations on the following 8 variables.

State

US state

SAT

state averages of the total SAT (verbal + quantitative) scores

Takers

the percentage of the total eligible students (high school seniors) in the state who took the exam

Income

the median income of families of test–takers (in hundreds of dollars)

Years

the average number of years that the test–takers had formal studies in social sciences, natural sciences and humanities

Public

the percentage of the test–takers who attended public secondary schools

Expend

the total state expenditure on secondary schools (in hundreds of dollars per student)

Rank

the median percentile ranking of the test–takers within their secondary school classes

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

Examples

str(case1201)
pairs(SAT~Rank+Years+Income+Public+Expend, case1201)