Education Expenditure Data, from Chatterjee and Price (1977, p.108). This data set, representing the education expenditure variables in the 50 US states, providing an interesting example of heteroscedacity.
A data frame with 50 observations on the following 7 variables.
State
Region (1=Northeastern, 2=North central, 3=Southern, 4=Western)
Number of residents per thousand residing in urban areas in 1970
Per capita personal income in 1973
Number of residents per thousand under 18 years of age in 1974
Per capita expenditure on public education in a state, projected for 1975
Source
P. J. Rousseeuw and A. M. Leroy (1987) Robust Regression and Outlier Detection; Wiley, p.110, table 16.
Use the following R code to directly access this dataset in R.