SAT {mosaicData} | R Documentation |
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(ggformula)) {
gf_point(sat ~ expend, data = SAT, color = "blue", alpha = 0.5) |>
gf_lm()
gf_text(sat ~ expend, data = SAT, label = ~ abbreviate(SAT$state, 3),
inherit = FALSE)
}