mosaicData (version 0.9.1)

SAT: State by State SAT data

Description

SAT data assembled for a statistics education journal article on the link between SAT scores and measures of educational expenditures

Usage

data(SAT)

format

A data frame with 50 observations on the following variables.

• state

{a factor with names of each state} expend {expenditure per pupil in average daily attendance in public elementary and secondary schools, 1994-95 (in thousands of US dollars)} ratio {average pupil/teacher ratio in public elementary and secondary schools, Fall 1994} salary {estimated average annual salary of teachers in public elementary and secondary schools, 1994-95 (in thousands of US dollars)} frac {percentage of all eligible students taking the SAT, 1994-95} verbal {average verbal SAT score, 1994-95} math {average math SAT score, 1994-95} sat {average total SAT score, 1994-95}

source

http://www.amstat.org/publications/jse/secure/v7n2/datasets.guber.cfm

References

Deborah Lynn Guber, "Getting what you pay for: the debate over equity in public school expenditures" (1999), Journal of Statistics Education 7(2).

Examples

data(SAT)
if (require(lattice)) {
  xyplot(sat ~ expend, SAT)
  xyplot(sat ~ expend, SAT,
	   panel=function(x,y){grid.text(abbreviate(SAT$state, 3), x, y, default.units='native')})
}