Per capita expenditure on public schools and per capita income by state in 1979.
data(schools)
A data frame containing 51 observations of 2 variables.
per capita expenditure on public schools,
per capita income.
Cribari-Neto F. (2004), Asymptotic Inference Under Heteroskedasticity of Unknown Form, Computational Statistics and Data Analysis, 45, 215-233.
Greene W.H. (1993), Econometric Analysis, 3nd edition. Macmillan Publishing Company, New York.
US Department of Commerce (1979), Statistical Abstract of the United States. US Government Printing Office, Washington, DC.